public virtual System.Boolean R_CullAliasModel(entity_t e)
{
qfiles.dmdl_t paliashdr = (qfiles.dmdl_t)currentmodel.extradata;
if ((e.frame >= paliashdr.num_frames) || (e.frame < 0))
{
VID.Printf(Defines.PRINT_ALL, "R_CullAliasModel " + currentmodel.name + ": no such frame " + e.frame + '\\');
e.frame = 0;
}
if ((e.oldframe >= paliashdr.num_frames) || (e.oldframe < 0))
{
VID.Printf(Defines.PRINT_ALL, "R_CullAliasModel " + currentmodel.name + ": no such oldframe " + e.oldframe + '\\');
e.oldframe = 0;
}
qfiles.daliasframe_t pframe = paliashdr.aliasFrames[e.frame];
qfiles.daliasframe_t poldframe = paliashdr.aliasFrames[e.oldframe];
if (pframe == poldframe)
{
for (var i = 0; i < 3; i++)
{
mins[i] = pframe.translate[i];
maxs[i] = mins[i] + pframe.scale[i] * 255;
}
}
else
{
Single thismaxs, oldmaxs;
for (var i = 0; i < 3; i++)
{
thismaxs = pframe.translate[i] + pframe.scale[i] * 255;
oldmaxs = poldframe.translate[i] + poldframe.scale[i] * 255;
if (pframe.translate[i] < poldframe.translate[i])
{
mins[i] = pframe.translate[i];
}
else
{
mins[i] = poldframe.translate[i];
}
if (thismaxs > oldmaxs)
{
maxs[i] = thismaxs;
}
else
{
maxs[i] = oldmaxs;
}
}
}
Single[] tmp;
for (var i = 0; i < 8; i++)
{
tmp = bbox[i];
if ((i & 1) != 0)
{
tmp[0] = mins[0];
}
else
{
tmp[0] = maxs[0];
}
if ((i & 2) != 0)
{
tmp[1] = mins[1];
}
else
{
tmp[1] = maxs[1];
}
if ((i & 4) != 0)
{
tmp[2] = mins[2];
}
else
{
tmp[2] = maxs[2];
}
}
tmp = mins;
Math3D.VectorCopy(e.angles, tmp);
tmp[YAW] = -tmp[YAW];
Math3D.AngleVectors(tmp, vectors[0], vectors[1], vectors[2]);
for (var i = 0; i < 8; i++)
{
Math3D.VectorCopy(bbox[i], tmp);
bbox[i][0] = Math3D.DotProduct(vectors[0], tmp);
bbox[i][1] = -Math3D.DotProduct(vectors[1], tmp);
bbox[i][2] = Math3D.DotProduct(vectors[2], tmp);
Math3D.VectorAdd(e.origin, bbox[i], bbox[i]);
}
Int32 f, mask;
var aggregatemask = ~0;
for (var p = 0; p < 8; p++)
{
mask = 0;
for (f = 0; f < 4; f++)
{
var dp = Math3D.DotProduct(frustum[f].normal, bbox[p]);
if ((dp - frustum[f].dist) < 0)
{
mask |= (1 << f);
}
}
aggregatemask &= mask;
}
if (aggregatemask != 0)
{
return(true);
}
return(false);
}
public void ViewChanged(DoubleVector lookDirection)
{
if (_marker2D != null)
{
_viewport.Children.Remove(_marker2D);
}
if (_marker2D == null)
{
_marker2D = new ScreenSpaceLines3D();
_marker2D.Color = UtilityWPF.ColorFromHex("60A0A0A0");
_marker2D.Thickness = 4d;
}
_marker2D.Clear();
RotateTransform3D transform = new RotateTransform3D(new QuaternionRotation3D(Math3D.GetRotation(new DoubleVector(0, 0, 1, 0, -1, 0), lookDirection)));
#region Marker 2D
double orthDist = (_sizeMult * _field.Size * 1.1d) / 2d;
double cornerDist = (_sizeMult * _field.Size * .2d) / 2d;
// TopLeft
Point3D corner = transform.Transform(new Point3D(-orthDist, -orthDist, -orthDist));
Vector3D direction = transform.Transform(new Vector3D(cornerDist, 0, 0));
_marker2D.AddLine(corner, corner + direction);
direction = transform.Transform(new Vector3D(0, cornerDist, 0));
_marker2D.AddLine(corner, corner + direction);
//TopRight
corner = transform.Transform(new Point3D(orthDist, -orthDist, -orthDist));
direction = transform.Transform(new Vector3D(-cornerDist, 0, 0));
_marker2D.AddLine(corner, corner + direction);
direction = transform.Transform(new Vector3D(0, cornerDist, 0));
_marker2D.AddLine(corner, corner + direction);
//BottomRight
corner = transform.Transform(new Point3D(orthDist, orthDist, -orthDist));
direction = transform.Transform(new Vector3D(-cornerDist, 0, 0));
_marker2D.AddLine(corner, corner + direction);
direction = transform.Transform(new Vector3D(0, -cornerDist, 0));
_marker2D.AddLine(corner, corner + direction);
//BottomLeft
corner = transform.Transform(new Point3D(-orthDist, orthDist, -orthDist));
direction = transform.Transform(new Vector3D(cornerDist, 0, 0));
_marker2D.AddLine(corner, corner + direction);
direction = transform.Transform(new Vector3D(0, -cornerDist, 0));
_marker2D.AddLine(corner, corner + direction);
_viewport.Children.Add(_marker2D);
#endregion
// Camera
_camera.Position = transform.Transform(new Point3D(0, 0, (_sizeMult * _field.Size * -4d) / 2d));
_camera.LookDirection = lookDirection.Standard;
_camera.UpDirection = lookDirection.Orth;
// Remember it
_lookDirection = lookDirection;
}
private void DrawLines_Plate(int numSamples, double half, double lineThickness, AxisFor axisX, AxisFor axisY, AxisFor axisZ)
{
const double ELAPSEDURATIONSECONDS = 1;
// Figure out how wide to make the plate
int totalSamples = numSamples * numSamples * numSamples; // numsamples is per axis, so cube it
int cellsPerSlice = _field.Size * _field.Size;
int numSlices = Convert.ToInt32(Math.Round(Convert.ToDouble(totalSamples) / Convert.ToDouble(cellsPerSlice)));
if (numSlices == 0)
{
numSlices = 1;
}
int toOffset = numSlices / 2;
int fromOffset = numSlices - toOffset - 1;
DateTime now = DateTime.UtcNow;
bool isOverField = false;
if (_mousePoint != null)
{
#region Snap to mouse
// Cast a ray (Copied this from ItemSelectDragLogic.ChangeDragPlane, DragItem)
Point3D point = new Point3D(0, 0, 0);
RayHitTestParameters cameraLookCenter = UtilityWPF.RayFromViewportPoint(_camera, _viewport, new Point(_viewport.ActualWidth * .5d, _viewport.ActualHeight * .5d));
// Come up with a snap plane
Vector3D standard = Math3D.GetArbitraryOrhonganal(cameraLookCenter.Direction);
Vector3D orth = Vector3D.CrossProduct(standard, cameraLookCenter.Direction);
ITriangle plane = new Triangle(point, point + standard, point + orth);
DragHitShape dragPlane = new DragHitShape();
dragPlane.SetShape_Plane(plane);
// Cast a ray onto that plane from the current mouse position
RayHitTestParameters mouseRay = UtilityWPF.RayFromViewportPoint(_camera, _viewport, _mousePoint.Value);
Point3D?hitPoint = dragPlane.CastRay(mouseRay);
if (hitPoint != null)
{
// Find the nearest Z cell
double halfSize = (_field.Size * _sizeMult) / 2d;
double cellSize = (_field.Size * _sizeMult) / _field.Size;
int zIndex = Convert.ToInt32((halfSize - axisZ.GetValue(hitPoint.Value)) / cellSize);
if (zIndex >= 0 && zIndex < _field.Size)
{
isOverField = true;
// Cap to field
_plateCurrentIndex = _field.Size - zIndex; // it's actually the opposite
if (_plateCurrentIndex - fromOffset < 0)
{
_plateCurrentIndex = fromOffset;
}
else if (_plateCurrentIndex + toOffset > _field.Size - 1)
{
_plateCurrentIndex = _field.Size - toOffset - 1;
}
_sceneRemaining = now + TimeSpan.FromSeconds(ELAPSEDURATIONSECONDS);
}
}
#endregion
}
if (!isOverField)
{
#region Shift the plate
if (_plateCurrentIndex + toOffset > _field.Size - 1)
{
_plateCurrentIndex = _field.Size - toOffset - 1;
_sceneRemaining = now + TimeSpan.FromSeconds(ELAPSEDURATIONSECONDS);
}
else if (now > _sceneRemaining)
{
_plateCurrentIndex--;
if (_plateCurrentIndex - fromOffset <= 0)
{
_plateCurrentIndex = _field.Size - toOffset - 1;
}
_sceneRemaining = now + TimeSpan.FromSeconds(ELAPSEDURATIONSECONDS);
}
#endregion
}
double[] velX = _field.VelocityX;
double[] velY = _field.VelocityY;
double[] velZ = _field.VelocityZ;
bool[] blocked = _field.Blocked;
_velocityLines.BeginAddingLines();
for (int z = _plateCurrentIndex - fromOffset; z <= _plateCurrentIndex + toOffset; z++)
{
for (int x = 0; x < _field.Size; x++)
{
for (int y = 0; y < _field.Size; y++)
{
int xRef = -1;
int yRef = -1;
int zRef = -1;
axisX.Set3DIndex(ref xRef, ref yRef, ref zRef, x);
axisY.Set3DIndex(ref xRef, ref yRef, ref zRef, y);
axisZ.Set3DIndex(ref xRef, ref yRef, ref zRef, z);
int index1D = _field.Get1DIndex(xRef, yRef, zRef);
if (blocked[index1D])
{
continue;
}
DrawLinesSprtAddLine(xRef, yRef, zRef, index1D, half, lineThickness, velX, velY, velZ);
}
}
}
_velocityLines.EndAddingLines();
}
private void glControl_Paint(object sender, PaintEventArgs e)
{
Gl.glClear(Gl.GL_COLOR_BUFFER_BIT | Gl.GL_DEPTH_BUFFER_BIT);
Gl.glLoadIdentity();
// Setup wireframe or solid fill drawing mode
if (Wireframe)
{
Gl.glPolygonMode(Gl.GL_FRONT_AND_BACK, Gl.GL_LINE);
}
else
{
Gl.glPolygonMode(Gl.GL_FRONT, Gl.GL_FILL);
}
Vector3 center = Vector3.Zero;
Glu.gluLookAt(
center.X, (double)scrollZoom.Value * 0.1d + center.Y, center.Z,
center.X, center.Y, center.Z,
0d, 0d, 1d);
// Push the world matrix
Gl.glPushMatrix();
Gl.glEnableClientState(Gl.GL_VERTEX_ARRAY);
Gl.glEnableClientState(Gl.GL_TEXTURE_COORD_ARRAY);
// World rotations
Gl.glRotatef((float)scrollRoll.Value, 1f, 0f, 0f);
Gl.glRotatef((float)scrollPitch.Value, 0f, 1f, 0f);
Gl.glRotatef((float)scrollYaw.Value, 0f, 0f, 1f);
if (Prims != null)
{
for (int i = 0; i < Prims.Count; i++)
{
Primitive prim = Prims[i].Prim;
if (i == cboPrim.SelectedIndex)
{
Gl.glColor3f(1f, 0f, 0f);
}
else
{
Gl.glColor3f(1f, 1f, 1f);
}
// Individual prim matrix
Gl.glPushMatrix();
// The root prim position is sim-relative, while child prim positions are
// parent-relative. We want to apply parent-relative translations but not
// sim-relative ones
if (Prims[i].Prim.ParentID != 0)
{
// Apply prim translation and rotation
Gl.glMultMatrixf(Math3D.CreateTranslationMatrix(prim.Position));
Gl.glMultMatrixf(Math3D.CreateRotationMatrix(prim.Rotation));
}
// Prim scaling
Gl.glScalef(prim.Scale.X, prim.Scale.Y, prim.Scale.Z);
// Draw the prim faces
for (int j = 0; j < Prims[i].Faces.Count; j++)
{
if (i == cboPrim.SelectedIndex)
{
// This prim is currently selected in the dropdown
//Gl.glColor3f(0f, 1f, 0f);
Gl.glColor3f(1f, 1f, 1f);
if (j == cboFace.SelectedIndex)
{
// This face is currently selected in the dropdown
}
else
{
// This face is not currently selected in the dropdown
}
}
else
{
// This prim is not currently selected in the dropdown
Gl.glColor3f(1f, 1f, 1f);
}
#region Texturing
Face face = Prims[i].Faces[j];
FaceData data = (FaceData)face.UserData;
if (data.TexturePointer != 0)
{
// Set the color to solid white so the texture is not altered
//Gl.glColor3f(1f, 1f, 1f);
// Enable texturing for this face
Gl.glEnable(Gl.GL_TEXTURE_2D);
}
else
{
Gl.glDisable(Gl.GL_TEXTURE_2D);
}
// Bind the texture
Gl.glBindTexture(Gl.GL_TEXTURE_2D, data.TexturePointer);
#endregion Texturing
Gl.glTexCoordPointer(2, Gl.GL_FLOAT, 0, data.TexCoords);
Gl.glVertexPointer(3, Gl.GL_FLOAT, 0, data.Vertices);
Gl.glDrawElements(Gl.GL_TRIANGLES, data.Indices.Length, Gl.GL_UNSIGNED_SHORT, data.Indices);
}
// Pop the prim matrix
Gl.glPopMatrix();
}
}
// Pop the world matrix
Gl.glPopMatrix();
Gl.glDisableClientState(Gl.GL_TEXTURE_COORD_ARRAY);
Gl.glDisableClientState(Gl.GL_VERTEX_ARRAY);
Gl.glFlush();
}
private static Model3D[] CreateIcons_Translate(double lineRadius, double lineThickness, double arrowThickness, double sphereRadius)
{
#region define points
Vector[] cores1 = new[]
{
new Vector(1, 0),
new Vector(0, 1),
new Vector(-1, 0),
new Vector(0, -1),
};
var cores2 = cores1.
Select(o =>
(
o * lineThickness / 2,
o * lineRadius * 2d / 3d,
o * lineRadius
)).
ToArray();
var lines = cores2.
Select(o => new
{
from = Math3D.ProjectPointOntoSphere(o.Item1.X, o.Item1.Y, sphereRadius),
to = Math3D.ProjectPointOntoSphere(o.Item2.X, o.Item2.Y, sphereRadius),
tip = Math3D.ProjectPointOntoSphere(o.Item3.X, o.Item3.Y, sphereRadius),
bar = GetLinePoints(o.Item1, o.Item2, lineThickness, arrowThickness, sphereRadius),
}).
ToArray();
Point3D origin = Math3D.ProjectPointOntoSphere(0, 0, sphereRadius);
#endregion
#region create triangles
List <Triangle> triangles = new List <Triangle>();
foreach (var line in lines)
{
triangles.Add(new Triangle(origin, line.bar.fromRight, line.bar.fromLeft));
triangles.Add(new Triangle(line.bar.fromLeft, line.bar.fromRight, line.bar.toRight));
triangles.Add(new Triangle(line.bar.toRight, line.bar.toLeft, line.bar.fromLeft));
triangles.Add(new Triangle(line.bar.baseLeft, line.bar.toLeft, line.tip));
triangles.Add(new Triangle(line.bar.toLeft, line.bar.toRight, line.tip));
triangles.Add(new Triangle(line.bar.toRight, line.bar.baseRight, line.tip));
}
ITriangleIndexed[] indexedTriangles = TriangleIndexed.ConvertToIndexed(triangles.ToArray());
#endregion
List <Model3D> retVal = new List <Model3D>();
MaterialGroup material = new MaterialGroup();
material.Children.Add(new DiffuseMaterial(new SolidColorBrush(WorldColors.ImpulseEngine_Icon_Color)));
material.Children.Add(WorldColors.ImpulseEngine_Icon_Specular);
material.Children.Add(WorldColors.ImpulseEngine_Icon_Emissive);
foreach (Transform3D transform in GetRotations_Tetrahedron(sphereRadius))
{
GeometryModel3D geometry = new GeometryModel3D();
geometry.Material = material;
geometry.BackMaterial = material;
geometry.Geometry = UtilityWPF.GetMeshFromTriangles(indexedTriangles);
geometry.Transform = transform;
retVal.Add(geometry);
}
return(retVal.ToArray());
}
/// <summary>
///
/// </summary>
/// <param name="mobj"></param>
public void BindMOBJ(Shader shader, HSD_MOBJ mobj, HSD_JOBJ parentJOBJ, MatAnimManager animation)
{
if (mobj == null)
{
return;
}
GL.Enable(EnableCap.Texture2D);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
GL.Enable(EnableCap.AlphaTest);
GL.AlphaFunc(AlphaFunction.Greater, 0f);
GL.DepthMask(!mobj.RenderFlags.HasFlag(RENDER_MODE.NO_ZUPDATE));
// Pixel Processing
shader.SetInt("alphaOp", -1); // none
shader.SetInt("alphaComp0", 7); // always
shader.SetInt("alphaComp1", 7);
var pp = mobj.PEDesc;
if (pp != null)
{
GL.BlendFunc(GXTranslator.toBlendingFactor(pp.SrcFactor), GXTranslator.toBlendingFactor(pp.DstFactor));
GL.DepthFunc(GXTranslator.toDepthFunction(pp.DepthFunction));
shader.SetInt("alphaOp", (int)pp.AlphaOp);
shader.SetInt("alphaComp0", (int)pp.AlphaComp0);
shader.SetInt("alphaComp1", (int)pp.AlphaComp1);
shader.SetFloat("alphaRef0", pp.AlphaRef0 / 255f);
shader.SetFloat("alphaRef1", pp.AlphaRef1 / 255f);
}
// Materials
var color = mobj.Material;
if (color != null)
{
if (animation != null)
{
color = animation.GetMaterialState(mobj);
}
shader.SetVector4("ambientColor", color.AMB_R / 255f, color.AMB_G / 255f, color.AMB_B / 255f, color.AMB_A / 255f);
shader.SetVector4("diffuseColor", color.DIF_R / 255f, color.DIF_G / 255f, color.DIF_B / 255f, color.DIF_A / 255f);
shader.SetVector4("specularColor", color.SPC_R / 255f, color.SPC_G / 255f, color.SPC_B / 255f, color.SPC_A / 255f);
shader.SetFloat("shinniness", color.Shininess);
shader.SetFloat("alpha", color.Alpha);
}
var enableAll = mobj.RenderFlags.HasFlag(RENDER_MODE.DF_ALL);
shader.SetBoolToInt("no_zupdate", mobj.RenderFlags.HasFlag(RENDER_MODE.NO_ZUPDATE));
shader.SetBoolToInt("enableSpecular", parentJOBJ.Flags.HasFlag(JOBJ_FLAG.SPECULAR) && mobj.RenderFlags.HasFlag(RENDER_MODE.SPECULAR));
shader.SetBoolToInt("enableDiffuse", parentJOBJ.Flags.HasFlag(JOBJ_FLAG.LIGHTING) && mobj.RenderFlags.HasFlag(RENDER_MODE.DIFFUSE));
shader.SetBoolToInt("useConstant", mobj.RenderFlags.HasFlag(RENDER_MODE.CONSTANT));
shader.SetBoolToInt("useVertexColor", mobj.RenderFlags.HasFlag(RENDER_MODE.VERTEX));
// Textures
for (int i = 0; i < MAX_TEX; i++)
{
shader.SetBoolToInt($"hasTEX[{i}]", mobj.RenderFlags.HasFlag(RENDER_MODE.TEX0 + (i << 4)) || enableAll);
}
shader.SetInt("BumpTexture", -1);
//LoadTextureConstants(shader);
// these are always uniform
GL.Uniform1(GL.GetUniformLocation(shader.programId, "textures"), 4, new int[] { 0, 1, 2, 3 });
// Bind Textures
if (mobj.Textures != null)
{
var textures = mobj.Textures.List;
for (int i = 0; i < textures.Count; i++)
{
if (i > MAX_TEX)
{
break;
}
var tex = textures[i];
var displayTex = tex;
if (tex.ImageData == null)
{
continue;
}
var blending = tex.Blending;
var transform = Matrix4.CreateScale(tex.SX, tex.SY, tex.SZ) *
Matrix4.CreateFromQuaternion(Math3D.FromEulerAngles(tex.RZ, tex.RY, tex.RX)) *
Matrix4.CreateTranslation(tex.TX, tex.TY, tex.TZ);
if (tex.SY != 0 && tex.SX != 0 && tex.SZ != 0)
{
transform.Invert();
}
if (animation != null)
{
var state = animation.GetTextureAnimState(tex);
if (state != null)
{
displayTex = state.TOBJ;
blending = state.Blending;
transform = state.Transform;
}
}
// make sure texture is loaded
PreLoadTexture(displayTex);
// grab texture id
var texid = TextureManager.Get(imageBufferTextureIndex[displayTex.ImageData.ImageData]);
// set texture
GL.ActiveTexture(TextureUnit.Texture0 + i);
GL.BindTexture(TextureTarget.Texture2D, texid);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)GXTranslator.toWrapMode(tex.WrapS));
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)GXTranslator.toWrapMode(tex.WrapT));
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)GXTranslator.toMagFilter(tex.MagFilter));
var wscale = tex.WScale;
var hscale = tex.HScale;
var mirrorX = tex.WrapS == GXWrapMode.MIRROR;
var mirrorY = tex.WrapT == GXWrapMode.MIRROR;
var flags = tex.Flags;
int coordType = (int)flags & 0xF;
int colorOP = ((int)flags >> 16) & 0xF;
int alphaOP = ((int)flags >> 20) & 0xF;
if (flags.HasFlag(TOBJ_FLAGS.BUMP))
{
colorOP = 4;
}
shader.SetBoolToInt($"TEX[{i}].is_ambient", flags.HasFlag(TOBJ_FLAGS.LIGHTMAP_AMBIENT));
shader.SetBoolToInt($"TEX[{i}].is_diffuse", flags.HasFlag(TOBJ_FLAGS.LIGHTMAP_DIFFUSE));
shader.SetBoolToInt($"TEX[{i}].is_specular", flags.HasFlag(TOBJ_FLAGS.LIGHTMAP_SPECULAR));
shader.SetBoolToInt($"TEX[{i}].is_ext", flags.HasFlag(TOBJ_FLAGS.LIGHTMAP_EXT));
shader.SetBoolToInt($"TEX[{i}].is_bump", flags.HasFlag(TOBJ_FLAGS.BUMP));
shader.SetInt($"TEX[{i}].color_operation", colorOP);
shader.SetInt($"TEX[{i}].alpha_operation", alphaOP);
shader.SetInt($"TEX[{i}].coord_type", coordType);
shader.SetFloat($"TEX[{i}].blend", blending);
shader.SetBoolToInt($"TEX[{i}].mirror_fix", mirrorY);
shader.SetVector2($"TEX[{i}].uv_scale", wscale, hscale);
shader.SetMatrix4x4($"TEX[{i}].transform", ref transform);
var tev = tex.TEV;
bool useTev = tev != null && tev.active.HasFlag(TOBJ_TEVREG_ACTIVE.COLOR_TEV);
shader.SetBoolToInt($"hasTev[{i}]", useTev);
if (useTev)
{
shader.SetInt($"Tev[{i}].color_op", (int)tev.color_op);
shader.SetInt($"Tev[{i}].color_bias", (int)tev.color_bias);
shader.SetInt($"Tev[{i}].color_scale", (int)tev.color_scale);
shader.SetBoolToInt($"Tev[{i}].color_clamp", tev.color_clamp);
shader.SetInt($"Tev[{i}].color_a", (int)tev.color_a_in);
shader.SetInt($"Tev[{i}].color_b", (int)tev.color_b_in);
shader.SetInt($"Tev[{i}].color_c", (int)tev.color_c_in);
shader.SetInt($"Tev[{i}].color_d", (int)tev.color_d_in);
shader.SetInt($"Tev[{i}].alpha_op", (int)tev.alpha_op);
shader.SetInt($"Tev[{i}].alpha_bias", (int)tev.alpha_bias);
shader.SetInt($"Tev[{i}].alpha_scale", (int)tev.alpha_scale);
shader.SetBoolToInt($"Tev[{i}].alpha_clamp", tev.alpha_clamp);
shader.SetInt($"Tev[{i}].alpha_a", (int)tev.alpha_a_in);
shader.SetInt($"Tev[{i}].alpha_b", (int)tev.alpha_b_in);
shader.SetInt($"Tev[{i}].alpha_c", (int)tev.alpha_c_in);
shader.SetInt($"Tev[{i}].alpha_d", (int)tev.alpha_d_in);
shader.SetColor($"Tev[{i}].konst", tev.constant, tev.constantAlpha);
shader.SetColor($"Tev[{i}].tev0", tev.tev0, tev.tev0Alpha);
shader.SetColor($"Tev[{i}].tev1", tev.tev1, tev.tev1Alpha);
}
}
}
}
public Cube(int side, Math3D.Point3D origin)
{
width = side;
height = side;
depth = side;
cubeOrigin = origin;
}
public static bool FindTarget(edict_t self)
{
edict_t client;
bool heardit;
int r;
if ((self.monsterinfo.aiflags & Defines.AI_GOOD_GUY) != 0)
{
if (self.goalentity != null && self.goalentity.inuse && self.goalentity.classname != null)
{
if (self.goalentity.classname.Equals("target_actor"))
{
return(false);
}
}
return(false);
}
if ((self.monsterinfo.aiflags & Defines.AI_COMBAT_POINT) != 0)
{
return(false);
}
heardit = false;
if ((GameBase.level.sight_entity_framenum >= (GameBase.level.framenum - 1)) && 0 == (self.spawnflags & 1))
{
client = GameBase.level.sight_entity;
if (client.enemy == self.enemy)
{
return(false);
}
}
else if (GameBase.level.sound_entity_framenum >= (GameBase.level.framenum - 1))
{
client = GameBase.level.sound_entity;
heardit = true;
}
else if (null != (self.enemy) && (GameBase.level.sound2_entity_framenum >= (GameBase.level.framenum - 1)) && 0 != (self.spawnflags & 1))
{
client = GameBase.level.sound2_entity;
heardit = true;
}
else
{
client = GameBase.level.sight_client;
if (client == null)
{
return(false);
}
}
if (!client.inuse)
{
return(false);
}
if (client.client != null)
{
if ((client.flags & Defines.FL_NOTARGET) != 0)
{
return(false);
}
}
else if ((client.svflags & Defines.SVF_MONSTER) != 0)
{
if (client.enemy == null)
{
return(false);
}
if ((client.enemy.flags & Defines.FL_NOTARGET) != 0)
{
return(false);
}
}
else if (heardit)
{
if ((client.owner.flags & Defines.FL_NOTARGET) != 0)
{
return(false);
}
}
else
{
return(false);
}
if (!heardit)
{
r = Range(self, client);
if (r == Defines.RANGE_FAR)
{
return(false);
}
if (client.light_level <= 5)
{
return(false);
}
if (!Visible(self, client))
{
return(false);
}
if (r == Defines.RANGE_NEAR)
{
if (client.show_hostile < GameBase.level.time && !Infront(self, client))
{
return(false);
}
}
else if (r == Defines.RANGE_MID)
{
if (!Infront(self, client))
{
return(false);
}
}
if (client == self.enemy)
{
return(true);
}
self.enemy = client;
if (!self.enemy.classname.Equals("player_noise"))
{
self.monsterinfo.aiflags &= ~Defines.AI_SOUND_TARGET;
if (self.enemy.client == null)
{
self.enemy = self.enemy.enemy;
if (self.enemy.client == null)
{
self.enemy = null;
return(false);
}
}
}
}
else
{
float[] temp = new float[] { 0, 0, 0 };
if ((self.spawnflags & 1) != 0)
{
if (!Visible(self, client))
{
return(false);
}
}
else
{
if (!GameBase.gi.InPHS(self.s.origin, client.s.origin))
{
return(false);
}
}
Math3D.VectorSubtract(client.s.origin, self.s.origin, temp);
if (Math3D.VectorLength(temp) > 1000)
{
return(false);
}
if (client.areanum != self.areanum)
{
if (!GameBase.gi.AreasConnected(self.areanum, client.areanum))
{
return(false);
}
}
self.ideal_yaw = Math3D.Vectoyaw(temp);
M.M_ChangeYaw(self);
self.monsterinfo.aiflags |= Defines.AI_SOUND_TARGET;
if (client == self.enemy)
{
return(true);
}
self.enemy = client;
}
FoundTarget(self);
if (0 == (self.monsterinfo.aiflags & Defines.AI_SOUND_TARGET) && (self.monsterinfo.sight != null))
{
self.monsterinfo.sight.Interact(self, self.enemy);
}
return(true);
}
public override bool Think(edict_t self)
{
float[] spot1 = new float[] { 0, 0, 0 };
float[] spot2 = new float[] { 0, 0, 0 };
float chance;
trace_t tr;
if (self.enemy.health > 0)
{
Math3D.VectorCopy(self.s.origin, spot1);
spot1[2] += self.viewheight;
Math3D.VectorCopy(self.enemy.s.origin, spot2);
spot2[2] += self.enemy.viewheight;
tr = GameBase.gi.Trace(spot1, null, null, spot2, self, Defines.CONTENTS_SOLID | Defines.CONTENTS_MONSTER | Defines.CONTENTS_SLIME | Defines.CONTENTS_LAVA | Defines.CONTENTS_WINDOW);
if (tr.ent != self.enemy)
{
return(false);
}
}
if (GameAI.enemy_range == Defines.RANGE_MELEE)
{
if (GameBase.skill.value == 0 && (Lib.Rand() & 3) != 0)
{
return(false);
}
if (self.monsterinfo.melee != null)
{
self.monsterinfo.attack_state = Defines.AS_MELEE;
}
else
{
self.monsterinfo.attack_state = Defines.AS_MISSILE;
}
return(true);
}
if (self.monsterinfo.attack == null)
{
return(false);
}
if (GameBase.level.time < self.monsterinfo.attack_finished)
{
return(false);
}
if (GameAI.enemy_range == Defines.RANGE_FAR)
{
return(false);
}
if ((self.monsterinfo.aiflags & Defines.AI_STAND_GROUND) != 0)
{
chance = 0.4F;
}
else if (GameAI.enemy_range == Defines.RANGE_MELEE)
{
chance = 0.2F;
}
else if (GameAI.enemy_range == Defines.RANGE_NEAR)
{
chance = 0.1F;
}
else if (GameAI.enemy_range == Defines.RANGE_MID)
{
chance = 0.02F;
}
else
{
return(false);
}
if (GameBase.skill.value == 0)
{
chance *= 0.5f;
}
else if (GameBase.skill.value >= 2)
{
chance *= 2;
}
if (Lib.Random() < chance)
{
self.monsterinfo.attack_state = Defines.AS_MISSILE;
self.monsterinfo.attack_finished = GameBase.level.time + 2 * Lib.Random();
return(true);
}
if ((self.flags & Defines.FL_FLY) != 0)
{
if (Lib.Random() < 0.3F)
{
self.monsterinfo.attack_state = Defines.AS_SLIDING;
}
else
{
self.monsterinfo.attack_state = Defines.AS_STRAIGHT;
}
}
return(false);
}
public Model3D()
{
Points = new Math3D.Point3D[0];
Edges = new Edge3D[0];
Mathes = new Math3D();
Cam = new Math3D.Camera();
Polygons = new Polygon3D[0];
PLength = ELength = RLength = 0;
}
public override void AdjustPose()
{
TFSession.Runner runner = session.GetRunner();
//Assume model is trained with body x and z positions and y rotation normalized to that of the head
//Assume model is trained with right hand coordinate system
//Pivot the head and hands in the y-axis around the head such that the head's y rotation is 0
Vector3 rotationPoint = head.position;
float headRotation = head.rotation.eulerAngles.y;
float rotationAmount = headRotation;
TransformInfo pivotedHead = Math3D.PivotY(head, rotationPoint, rotationAmount);
TransformInfo pivotedHandLeft = Math3D.PivotY(hand_left, rotationPoint, rotationAmount);
TransformInfo pivotedHandRight = Math3D.PivotY(hand_right, rotationPoint, rotationAmount);
//pivoted_head.position = pivotedHead.position;
//pivoted_head.rotation = pivotedHead.rotation;
//pivoted_left.position = pivotedHandLeft.position;
//pivoted_left.rotation = pivotedHandLeft.rotation;
//pivoted_right.position = pivotedHandRight.position;
//pivoted_right.rotation = pivotedHandRight.rotation;
//Convert rotations to right hand coordinate system
//Quaternion convertedHeadRotation = Math3D.RightToLeftHand (pivotedHead.rotation.x, pivotedHead.rotation.y, pivotedHead.rotation.z, pivotedHead.rotation.w);
//Quaternion convertedLeftHandRotation = Math3D.RightToLeftHand (pivotedHead.rotation.x, pivotedHead.rotation.y, pivotedHead.rotation.z, pivotedHead.rotation.w);
//Quaternion convertedRightHandRotation = Math3D.RightToLeftHand (pivotedHead.rotation.x, pivotedHead.rotation.y, pivotedHead.rotation.z, pivotedHead.rotation.w);
Quaternion pivotedHeadRotation = pivotedHead.rotation;
Quaternion pivotedLeftHandRotation = pivotedHandLeft.rotation;
Quaternion pivotedRightHandRotation = pivotedHandRight.rotation;
float[,] inputs = new float[, ] {
{
pivotedHeadRotation.x,
pivotedHeadRotation.y,
pivotedHeadRotation.z,
pivotedHeadRotation.w,
0,
pivotedHead.position.y *scalingFactor,
0,
pivotedLeftHandRotation.x,
pivotedLeftHandRotation.y,
pivotedLeftHandRotation.z,
pivotedLeftHandRotation.w,
pivotedHandLeft.position.x *scalingFactor,
pivotedHandLeft.position.y *scalingFactor,
pivotedHandLeft.position.z *scalingFactor,
pivotedRightHandRotation.x,
pivotedRightHandRotation.y,
pivotedRightHandRotation.z,
pivotedRightHandRotation.w,
pivotedHandRight.position.x *scalingFactor,
pivotedHandRight.position.y *scalingFactor,
pivotedHandRight.position.z *scalingFactor
}
};
runner.AddInput(graph [inputLayer] [0], inputs);
runner.Fetch(graph[outputLayer][0]);
float[,] output_tensor = runner.Run() [0].GetValue() as float[, ];
float x = output_tensor [0, 0];
float y = output_tensor [0, 1];
float z = output_tensor [0, 2];
float w = 1 - x * x - y * y - z * z;
if (w < 0)
{
bodyTransform.position = head.position + positionOffset;
Quaternion newRotation = Quaternion.Euler(new Vector3(0, head.rotation.eulerAngles.y));
bodyTransform.rotation = newRotation;
return;
}
w = Mathf.Sqrt(w);
bodyTransform.rotation = Math3D.RightToLeftHand(x, y, z, w);
bodyTransform.Rotate(new Vector3(0, headRotation));
// position the body such that the base of the neck is right under the head
bodyTransform.position = bodyTransform.position + head.position - neck.position + positionOffset;
}
private void DrawTriangle(Vertex v1, Vertex v2, Vertex v3)
{
//var v1 = primitive.Vertices[triangle.Vertex1];
//var v2 = primitive.Vertices[triangle.Vertex2];
//var v3 = primitive.Vertices[triangle.Vertex3];
var vec1 = new Vector4(v1.X, v1.Y, v1.Z, 1);
var vec2 = new Vector4(v2.X, v2.Y, v2.Z, 1);
var vec3 = new Vector4(v3.X, v3.Y, v3.Z, 1);
Vector3f faceNormal = Math3D.CalculateNormal(Math3D.ConvertToDecart(vec1), Math3D.ConvertToDecart(vec2), Math3D.ConvertToDecart(vec3));
var worldCoord1 = _modelMatrix * new Vector4(v1.X, v1.Y, v1.Z, 1);
var worldCoord2 = _modelMatrix * new Vector4(v2.X, v2.Y, v2.Z, 1);
var worldCoord3 = _modelMatrix * new Vector4(v3.X, v3.Y, v3.Z, 1);
ShaderProgram.ComputeVertex(new VertexInput {
Position = new Vector4(v1.X, v1.Y, v1.Z, 1), Normal = (Vector4)faceNormal
});
ShaderProgram.ComputeVertex(new VertexInput {
Position = new Vector4(v1.X, v1.Y, v1.Z, 1), Normal = (Vector4)faceNormal
});
ShaderProgram.ComputeVertex(new VertexInput {
Position = new Vector4(v1.X, v1.Y, v1.Z, 1), Normal = (Vector4)faceNormal
});
Draw3D.SimpleRasterizeTriangle(
ConvertToScreenCoord0(decartvector1),
ConvertToScreenCoord0(decartvector2),
ConvertToScreenCoord0(decartvector3),
FrameBuffer,
Color.FromArgb((int)(255 * Restrict(sampleColor.X)), (int)(255 * Restrict(sampleColor.Y)), (int)(255 * Restrict(sampleColor.Z))),
_zBuffer);
}
/// <summary>
/// Shifts the spline with <paramref name="amount"/> distance and returns a new spline
/// </summary>
/// <param name="safeDist">
/// The max distance between the middle of the curves and their extreme points.
/// If your shifted curve has too many sharp edges try pumping this number up.
/// But beware because it causes it to have more points and thus decreasing performance.
/// </param>
/// <param name="newSpline">If you want the returned spline to be put into an already existing spline assign this parameter.</param>
public BezierSpline GetShiftedSpline(float amount, float safeDist = 0.3f, BezierSpline newSpline = null)
{
BezierSpline _shiftedSpline;
if (newSpline != null)
{
_shiftedSpline = newSpline;
}
else
{
_shiftedSpline = new GameObject().AddComponent <BezierSpline>();
}
_shiftedSpline.Clear();
_shiftedSpline.name = "Lane" + amount;
// So, you cannot offset a Bézier curve perfectly with another Bézier curve, no matter how high-order you make that
// other Bézier curve. However, we can chop up a curve into "safe" sub-curves (where safe means that all the control
// points are always on a single side of the baseline, and the midpoint of the curve at t=0.5 is roughly in the centre
// of the polygon defined by the curve coordinates) and then point-scale each sub-curve with respect to its scaling
// origin (which is the intersection of the point normals at the start and end points).
// A good way to do this reduction is to first find the curve's extreme points, and use these as initial splitting points.
// After this initial split, we can check each individual segment to see if it's "safe enough" based on where the
// center of the curve is.If the on-curve point for t = 0.5 is too far off from the center, we simply split the
// segment down the middle. Generally this is more than enough to end up with safe segments.
Vector3 _p0 = points[0];
Vector3 _p1, _p2, _p3;
List <Vector3[]> _newPointsSpline = new List <Vector3[]>();
for (int i = 3; i < PointCount; i += 3)
{
_p1 = points[i - 2];
_p2 = points[i - 1];
_p3 = points[i];
// roots of our cubic bezier curve to find extremes
SortedSet <float> _solutions = new SortedSet <float>();
{
float?_sol1, _sol2;
BezierMath.CubicGetRoots(_p0.x, _p1.x, _p2.x, _p3.x, out _sol1, out _sol2);
if (_sol1.HasValue && _sol1.Value < 1 && _sol1.Value > 0)
{
_solutions.Add(_sol1.Value);
}
if (_sol2.HasValue && _sol2.Value < 1 && _sol2.Value > 0)
{
_solutions.Add(_sol2.Value);
}
BezierMath.CubicGetRoots(_p0.y, _p1.y, _p2.y, _p3.y, out _sol1, out _sol2);
if (_sol1.HasValue && _sol1.Value < 1 && _sol1.Value > 0)
{
_solutions.Add(_sol1.Value);
}
if (_sol2.HasValue && _sol2.Value < 1 && _sol2.Value > 0)
{
_solutions.Add(_sol2.Value);
}
BezierMath.CubicGetRoots(_p0.z, _p1.z, _p2.z, _p3.z, out _sol1, out _sol2);
if (_sol1.HasValue && _sol1.Value < 1 && _sol1.Value > 0)
{
_solutions.Add(_sol1.Value);
}
if (_sol2.HasValue && _sol2.Value < 1 && _sol2.Value > 0)
{
_solutions.Add(_sol2.Value);
}
}
// the list of new points of the offset curve
List <Vector3[]> _newPointsCurve = new List <Vector3[]>();
// So we're gonna need to split the starting curve at potentially more points
// We do that by splitting in order and always taking the second split curve as the next
// starting curve
{
Vector3[] _first, _second = new Vector3[] { _p0, _p1, _p2, _p3 };
float _secondSize = 1f; // we need this to know how big the second curve is compared to the very first starting curve
// so we can split at the right point
foreach (float sol in _solutions)
{
BezierMath.CubicSplitCurve(_second[0], _second[1], _second[2], _second[3], _secondSize * sol, out _first, out _second);
_secondSize *= (1f - sol);
_newPointsCurve.Add(_first);
}
_newPointsCurve.Add(_second); // no more calculations with the second curve, so we can add it to the list
}
// check whether each bezier curve is safe or not if not split it
{
int _at = _newPointsCurve.Count - 1;
while (_at >= 0)
{
Vector3[] _split1, _split2;
// where the curv t = 0.5f
Vector3 _zeroDotFive = BezierMath.CubicGetPoint(_newPointsCurve[_at][0], _newPointsCurve[_at][1],
_newPointsCurve[_at][2], _newPointsCurve[_at][3], 0.5f);
// the center of the curve's 4 points
Vector3 _center = (_newPointsCurve[_at][0] + _newPointsCurve[_at][1] + _newPointsCurve[_at][2] + _newPointsCurve[_at][3]) / 4f;
// if they are too far away
if (Vector3.Distance(_zeroDotFive, _center) > safeDist)
{
// split curva at 0.5f
BezierMath.CubicSplitCurve(_newPointsCurve[_at][0], _newPointsCurve[_at][1], _newPointsCurve[_at][2], _newPointsCurve[_at][3], 0.5f,
out _split1, out _split2);
// overwrite current curve
_newPointsCurve[_at] = _split2;
// add one before it
_newPointsCurve.Insert(_at, _split1);
// we need to check the _split too again as well, so add one to at
_at++;
}
else
{
// no problem with this curve, move on
_at--;
}
}
}
// scale
{
Vector3 _pivot;
for (int k = 0; k < _newPointsCurve.Count; k++)
{
// get pivot -> the intersection of the point normals at the start and end points
bool _doIntersect = Math3D.LineLineIntersection(
out _pivot,
_newPointsCurve[k][0],
(Quaternion.LookRotation(Vector3.right) * BezierMath.CubicGetFirstDerivative(_newPointsCurve[k][0], _newPointsCurve[k][1], _newPointsCurve[k][2], _newPointsCurve[k][3], 0.01f)).normalized,
_newPointsCurve[k][3],
(Quaternion.LookRotation(Vector3.right) * BezierMath.CubicGetFirstDerivative(_newPointsCurve[k][0], _newPointsCurve[k][1], _newPointsCurve[k][2], _newPointsCurve[k][3], 0.99f)).normalized
);
// scaling
if (!_doIntersect) // it's essentially a line
// which way the right is from the line
{
Vector3 _whichWay = Vector3.Cross(_newPointsCurve[k][3] - _newPointsCurve[k][0], Vector3.up).normalized;
for (int j = 0; j < _newPointsCurve[k].Length; j++)
{
_newPointsCurve[k][j] -= _whichWay * amount;
}
}
else
{
// cache this
Vector3 _middleDerivative = BezierMath.CubicGetFirstDerivative(
_newPointsCurve[k][0],
_newPointsCurve[k][1],
_newPointsCurve[k][2],
_newPointsCurve[k][3], 0.5f);
// which way is the middle point's right
Vector3 _curveMiddleRight = (Quaternion.LookRotation(Vector3.right) * _middleDerivative).normalized;
// which way is the middle point's left
Vector3 _curveMiddleLeft = (Quaternion.LookRotation(Vector3.left) * _middleDerivative).normalized;
for (int j = 0; j < _newPointsCurve[k].Length; j++)
{
Vector3 _scaleDir = (_pivot - _newPointsCurve[k][j]).normalized;
// pivot is to the right
bool _isPivotToRight = Vector3.Angle(_scaleDir, _curveMiddleRight) <
Vector3.Angle(_scaleDir, _curveMiddleLeft);
// move to position based on pivot direction
if (_isPivotToRight)
{
_newPointsCurve[k][j] += _scaleDir * amount;
}
else
{
_newPointsCurve[k][j] -= _scaleDir * amount;
}
}
}
}
}
_newPointsSpline.AddRange(_newPointsCurve);
_p0 = _p3;
}
_shiftedSpline.points = new Vector3[_newPointsSpline.Count * 3 + 1];
_shiftedSpline.points[0] = _newPointsSpline[0][0];
_shiftedSpline.modes = new BezierControlPointMode[_newPointsSpline.Count + 1];
_shiftedSpline.modes[0] = BezierControlPointMode.Free;
for (int i = 0; i < _newPointsSpline.Count; i++)
{
_shiftedSpline.modes[i + 1] = BezierControlPointMode.Free;
for (int k = 1; k <= 3; k++)
{
_shiftedSpline.points[i * 3 + k] = _newPointsSpline[i][k];
}
}
return(_shiftedSpline);
}
public void Render(Scene scene)
{
//TransformedVector = TranslationMatrix * RotationMatrix * ScaleMatrix * OriginalVector;
//MVPmatrix = projection * view * model;
double[] zBuffer = new double[_screenWidth * _screenHeight];
var rnd = new Random();
var cvvMatrix = Math3D.GetPerspectiveMatrix(100, _halfScreenWidth / _halfscreenHeight, 0.3d, 1000d);
foreach (var primitive in scene.Objects)
{
var rotationMatrix = Math3D.GetRotationMatrix(
primitive.Rotation.X,
primitive.Rotation.Y,
primitive.Rotation.Z);
var translationMatrix = Math3D.GetTranslationMatrix(primitive.Position.X, primitive.Position.Y, primitive.Position.Z);
var scaleMatrix = Math3D.GetScaleMatrix(1, 1, 1);
var modelMatrix = translationMatrix * (rotationMatrix * scaleMatrix);
var viewMatrix = Math3D.GetViewMatrix(new Vector3f(0f, 1.2f, -2f), new Vector3f(0, 0f, 0f));
var transformMatrix = cvvMatrix * viewMatrix;// * modelMatrix;
foreach (var triangle in primitive.Faces)
{
var v1 = primitive.Vertices[triangle.Vertex1];
var v2 = primitive.Vertices[triangle.Vertex2];
var v3 = primitive.Vertices[triangle.Vertex3];
//TODO Здесь нужен вызов фрагментного шейдера
//shader.Set(v1,v2,v3) shader.Compute()
#region Завернуть в шейдер
var worldCoord1 = modelMatrix * new Vector4(v1.X, v1.Y, v1.Z, 1);
var worldCoord2 = modelMatrix * new Vector4(v2.X, v2.Y, v2.Z, 1);
var worldCoord3 = modelMatrix * new Vector4(v3.X, v3.Y, v3.Z, 1);
var vector1 = transformMatrix * worldCoord1;
var vector2 = transformMatrix * worldCoord2;
var vector3 = transformMatrix * worldCoord3;
var decartvector1 = Math3D.ConvertToDecart(vector1);
var decartvector2 = Math3D.ConvertToDecart(vector2);
var decartvector3 = Math3D.ConvertToDecart(vector3);
Vector3f faceNormalInWorldCoord = Math3D.CalculateNormal(Math3D.ConvertToDecart(worldCoord1), Math3D.ConvertToDecart(worldCoord2), Math3D.ConvertToDecart(worldCoord3));
Vector3f faceNormalInProjectionCoord = SimpleRender.Math.Vector3f.CrossProductLeft((decartvector3 - decartvector1), (decartvector2 - decartvector1));
faceNormalInProjectionCoord = faceNormalInProjectionCoord.Normalize();
var viewDirection = new Vector4(0, 0, -1, 1);
double intensity = Math3D.DotProduct(faceNormalInProjectionCoord, viewDirection);
//TODO Подумать нужноли это в шейдере
if (intensity <= 0)
{
continue;
}
//ambient = Ka,
//diffuse = Kd * cos(N, L),
//specular = Ks * pow(cos(R, V), Ns),
//intensity = ambient + amp * (diffuse + specular).
//-----------------
//http://www.gamedev.ru/code/articles/HLSL?page=4
//Lighting:
//Lambert (ambient lighting)
//Diffuse (diffuse lighting model)
//Phong (specular lighting model), Blinn (blinn specular lighting model)
//Sum of this
//Реалистичное освещение на основе Кука-Торренса
//-------------
var ligthSource = scene.LightSources.First();
var globalLightPosition = ligthSource.Position.Normalize();
double illuminationIntensity = Math3D.DotProduct(faceNormalInWorldCoord, globalLightPosition);
var diffuseColor = new Vector4(
primitive.Mategial.DiffuseColor.X * ligthSource.Color.X,
primitive.Mategial.DiffuseColor.Y * ligthSource.Color.Y,
primitive.Mategial.DiffuseColor.Z * ligthSource.Color.Z,
1)
* illuminationIntensity;
//var reflection = (Vector3f.CrossProductLeft(faceNormalInWorldCoord ,
// (Vector3f.CrossProductLeft(faceNormalInWorldCoord ,globalLightPosition) * 2.0f)) -
// globalLightPosition).Normalize(); // reflected light
var sampleColor = scene.AmbientColor + diffuseColor * ligthSource.Intensity;
#endregion
Draw3D.SimpleRasterizeTriangle(
ConvertToScreenCoord0(decartvector1),
ConvertToScreenCoord0(decartvector2),
ConvertToScreenCoord0(decartvector3),
Image,
Color.FromArgb((int)(255 * Restrict(sampleColor.X)), (int)(255 * Restrict(sampleColor.Y)), (int)(255 * Restrict(sampleColor.Z))),
zBuffer);
}
}
}
public override void R_DrawAliasModel(entity_t e)
{
if ((e.flags & Defines.RF_WEAPONMODEL) == 0)
{
if (R_CullAliasModel(e))
{
return;
}
}
if ((e.flags & Defines.RF_WEAPONMODEL) != 0)
{
if (r_lefthand.value == 2F)
{
return;
}
}
qfiles.dmdl_t paliashdr = (qfiles.dmdl_t)currentmodel.extradata;
Int32 i;
if ((currententity.flags & (Defines.RF_SHELL_HALF_DAM | Defines.RF_SHELL_GREEN | Defines.RF_SHELL_RED | Defines.RF_SHELL_BLUE | Defines.RF_SHELL_DOUBLE)) != 0)
{
Math3D.VectorClear(shadelight);
if ((currententity.flags & Defines.RF_SHELL_HALF_DAM) != 0)
{
shadelight[0] = 0.56F;
shadelight[1] = 0.59F;
shadelight[2] = 0.45F;
}
if ((currententity.flags & Defines.RF_SHELL_DOUBLE) != 0)
{
shadelight[0] = 0.9F;
shadelight[1] = 0.7F;
}
if ((currententity.flags & Defines.RF_SHELL_RED) != 0)
{
shadelight[0] = 1F;
}
if ((currententity.flags & Defines.RF_SHELL_GREEN) != 0)
{
shadelight[1] = 1F;
}
if ((currententity.flags & Defines.RF_SHELL_BLUE) != 0)
{
shadelight[2] = 1F;
}
}
else if ((currententity.flags & Defines.RF_FULLBRIGHT) != 0)
{
for (i = 0; i < 3; i++)
{
shadelight[i] = 1F;
}
}
else
{
R_LightPoint(currententity.origin, shadelight);
if ((currententity.flags & Defines.RF_WEAPONMODEL) != 0)
{
if (shadelight[0] > shadelight[1])
{
if (shadelight[0] > shadelight[2])
{
r_lightlevel.value = 150 * shadelight[0];
}
else
{
r_lightlevel.value = 150 * shadelight[2];
}
}
else
{
if (shadelight[1] > shadelight[2])
{
r_lightlevel.value = 150 * shadelight[1];
}
else
{
r_lightlevel.value = 150 * shadelight[2];
}
}
}
if (gl_monolightmap.string_renamed[0] != '0')
{
var s = shadelight[0];
if (s < shadelight[1])
{
s = shadelight[1];
}
if (s < shadelight[2])
{
s = shadelight[2];
}
shadelight[0] = s;
shadelight[1] = s;
shadelight[2] = s;
}
}
if ((currententity.flags & Defines.RF_MINLIGHT) != 0)
{
for (i = 0; i < 3; i++)
{
if (shadelight[i] > 0.1F)
{
break;
}
}
if (i == 3)
{
shadelight[0] = 0.1F;
shadelight[1] = 0.1F;
shadelight[2] = 0.1F;
}
}
if ((currententity.flags & Defines.RF_GLOW) != 0)
{
Single scale;
Single min;
scale = ( Single )(0.1F * Math.Sin(r_newrefdef.time * 7));
for (i = 0; i < 3; i++)
{
min = shadelight[i] * 0.8F;
shadelight[i] += scale;
if (shadelight[i] < min)
{
shadelight[i] = min;
}
}
}
if ((r_newrefdef.rdflags & Defines.RDF_IRGOGGLES) != 0 && (currententity.flags & Defines.RF_IR_VISIBLE) != 0)
{
shadelight[0] = 1F;
shadelight[1] = 0F;
shadelight[2] = 0F;
}
shadedots = r_avertexnormal_dots[(( Int32 )(currententity.angles[1] * (SHADEDOT_QUANT / 360))) & (SHADEDOT_QUANT - 1)];
var an = ( Single )(currententity.angles[1] / 180 * Math.PI);
shadevector[0] = ( Single )Math.Cos(-an);
shadevector[1] = ( Single )Math.Sin(-an);
shadevector[2] = 1;
Math3D.VectorNormalize(shadevector);
c_alias_polys += paliashdr.num_tris;
if ((currententity.flags & Defines.RF_DEPTHHACK) != 0)
{
GL.DepthRange(gldepthmin, gldepthmin + 0.3 * (gldepthmax - gldepthmin));
}
if ((currententity.flags & Defines.RF_WEAPONMODEL) != 0 && (r_lefthand.value == 1F))
{
GL.MatrixMode(MatrixMode.Projection);
GL.PushMatrix();
GL.LoadIdentity();
GL.Scale(-1, 1, 1);
MYgluPerspective(r_newrefdef.fov_y, ( Single )r_newrefdef.width / r_newrefdef.height, 4, 4096);
GL.MatrixMode(MatrixMode.Modelview);
GL.CullFace(CullFaceMode.Back);
}
GL.PushMatrix();
e.angles[PITCH] = -e.angles[PITCH];
R_RotateForEntity(e);
e.angles[PITCH] = -e.angles[PITCH];
image_t skin;
if (currententity.skin != null)
{
skin = currententity.skin;
}
else
{
if (currententity.skinnum >= qfiles.MAX_MD2SKINS)
{
skin = currentmodel.skins[0];
}
else
{
skin = currentmodel.skins[currententity.skinnum];
if (skin == null)
{
skin = currentmodel.skins[0];
}
}
}
if (skin == null)
{
skin = r_notexture;
}
GL_Bind(skin.texnum);
GL.ShadeModel(ShadingModel.Smooth);
GL_TexEnv(( Int32 )All.Modulate);
if ((currententity.flags & Defines.RF_TRANSLUCENT) != 0)
{
GL.Enable(EnableCap.Blend);
}
if ((currententity.frame >= paliashdr.num_frames) || (currententity.frame < 0))
{
VID.Printf(Defines.PRINT_ALL, "R_DrawAliasModel " + currentmodel.name + ": no such frame " + currententity.frame + '\\');
currententity.frame = 0;
currententity.oldframe = 0;
}
if ((currententity.oldframe >= paliashdr.num_frames) || (currententity.oldframe < 0))
{
VID.Printf(Defines.PRINT_ALL, "R_DrawAliasModel " + currentmodel.name + ": no such oldframe " + currententity.oldframe + '\\');
currententity.frame = 0;
currententity.oldframe = 0;
}
if (r_lerpmodels.value == 0F)
{
currententity.backlerp = 0;
}
GL_DrawAliasFrameLerp(paliashdr, currententity.backlerp);
GL_TexEnv(( Int32 )All.Replace);
GL.ShadeModel(ShadingModel.Flat);
GL.PopMatrix();
if ((currententity.flags & Defines.RF_WEAPONMODEL) != 0 && (r_lefthand.value == 1F))
{
GL.MatrixMode(MatrixMode.Projection);
GL.PopMatrix();
GL.MatrixMode(MatrixMode.Modelview);
GL.CullFace(CullFaceMode.Front);
}
if ((currententity.flags & Defines.RF_TRANSLUCENT) != 0)
{
GL.Disable(EnableCap.Blend);
}
if ((currententity.flags & Defines.RF_DEPTHHACK) != 0)
{
GL.DepthRange(gldepthmin, gldepthmax);
}
if (gl_shadows.value != 0F && (currententity.flags & (Defines.RF_TRANSLUCENT | Defines.RF_WEAPONMODEL)) == 0)
{
GL.PushMatrix();
R_RotateForEntity(e);
GL.Disable(EnableCap.Texture2D);
GL.Enable(EnableCap.Blend);
GL.Color4(0, 0, 0, 0.5F);
GL_DrawAliasShadow(paliashdr, currententity.frame);
GL.Enable(EnableCap.Texture2D);
GL.Disable(EnableCap.Blend);
GL.PopMatrix();
}
GL.Color4(1, 1, 1, 1);
}
public void Select(Transform transform, Vector2 mousePos, Camera camera, out int selVertex, out int selFace, out UnorderedPair <int> selEdge, float radius = 10, float bump = 0.2f)
{
selVertex = -1;
selFace = -1;
selEdge = new UnorderedPair <int>(-1, -1);
float minDist = Mathf.Infinity;
Ray ray = camera.ScreenPointToRay(mousePos);
ray.origin = transform.InverseTransformPoint(ray.origin);
ray.direction = transform.InverseTransformDirection(ray.direction);
for (int v = 0; v < vertices.Count; v++)
{
Vertex vert = vertices[v];
Vector3 world = transform.TransformPoint(vert.position);
Vector3 screen = camera.WorldToScreenPoint(world);
if (screen.z > 0)
{
screen.z = 0;
float mouseDist2 = Vector2.SqrMagnitude((Vector2)screen - mousePos);
float camDist = Vector3.Distance(camera.transform.position, world) - bump * 3;
if (mouseDist2 < radius * radius && camDist < minDist)
{
selVertex = v;
minDist = camDist;
}
}
}
foreach (var e in GetEdges())
{
Vertex vert1 = vertices[e.t1];
Vertex vert2 = vertices[e.t2];
Vector3 v1 = vert1.position;
Vector3 v2 = vert2.position;
Vector3 segment = v2 - v1;
Vector3 c = Vector3.Cross(camera.transform.forward, segment);
Vector3 n = Vector3.Cross(c, segment);
Plane plane = new Plane(n, v1);
float camDist;
if (plane.Raycast(ray, out camDist) && camDist - bump < minDist)
{
Vector3 hitPos = ray.GetPoint(camDist);
Vector3 hitProj = Math3D.ProjectPointOnLineSegment(v1, v2, hitPos);
Vector3 projScreen = camera.WorldToScreenPoint(transform.TransformPoint(hitProj));
if (projScreen.z > 0 && Vector2.Distance(projScreen, mousePos) < radius * 0.6f)
{
selEdge = e;
selVertex = -1;
minDist = camDist - bump;
}
}
}
for (int f = 0; f < faces.Count; f++)
{
Face face = faces[f];
Vector3 normal = face.GetNormal(this);
Plane plane = new Plane(normal, vertices[face.vertices[0]].position);
float dist;
if (plane.Raycast(ray, out dist) && dist < minDist)
{
Vector3 hitPos = ray.GetPoint(dist);
bool inside = true;
for (int i = 0; i < face.vertices.Count; i++)
{
int j = (i + 1) % face.vertices.Count;
Vector3 v1 = vertices[face.vertices[i]].position;
Vector3 v2 = vertices[face.vertices[j]].position;
Vector3 edge = v2 - v1;
Vector3 toHit = hitPos - v1;
Vector3 cross = Vector3.Cross(edge, toHit);
if (Vector3.Dot(cross, normal) < 0)
{
inside = false;
break;
}
}
if (inside)
{
selVertex = -1;
selEdge.t1 = -1;
selEdge.t2 = -1;
selFace = f;
minDist = dist;
}
}
}
}
public virtual void GL_DrawAliasFrameLerp(qfiles.dmdl_t paliashdr, Single backlerp)
{
qfiles.daliasframe_t frame = paliashdr.aliasFrames[currententity.frame];
Int32[] verts = frame.verts;
qfiles.daliasframe_t oldframe = paliashdr.aliasFrames[currententity.oldframe];
Int32[] ov = oldframe.verts;
Single alpha;
Int32 size;
if ((currententity.flags & Defines.RF_TRANSLUCENT) != 0)
{
alpha = currententity.alpha;
}
else
{
alpha = 1F;
}
if ((currententity.flags & (Defines.RF_SHELL_RED | Defines.RF_SHELL_GREEN | Defines.RF_SHELL_BLUE | Defines.RF_SHELL_DOUBLE | Defines.RF_SHELL_HALF_DAM)) != 0)
{
GL.Disable(EnableCap.Texture2D);
}
var frontlerp = 1F - backlerp;
Math3D.VectorSubtract(currententity.oldorigin, currententity.origin, frontv);
Math3D.AngleVectors(currententity.angles, vectors[0], vectors[1], vectors[2]);
move[0] = Math3D.DotProduct(frontv, vectors[0]);
move[1] = -Math3D.DotProduct(frontv, vectors[1]);
move[2] = Math3D.DotProduct(frontv, vectors[2]);
Math3D.VectorAdd(move, oldframe.translate, move);
for (var i = 0; i < 3; i++)
{
move[i] = backlerp * move[i] + frontlerp * frame.translate[i];
frontv[i] = frontlerp * frame.scale[i];
backv[i] = backlerp * oldframe.scale[i];
}
GL_LerpVerts(paliashdr.num_xyz, ov, verts, move, frontv, backv);
new Pinnable(vertexArrayBuf.Array, (ptr) =>
{
GL.VertexPointer(3, VertexPointerType.Float, 0, ptr);
});
if ((currententity.flags & (Defines.RF_SHELL_RED | Defines.RF_SHELL_GREEN | Defines.RF_SHELL_BLUE | Defines.RF_SHELL_DOUBLE | Defines.RF_SHELL_HALF_DAM)) != 0)
{
GL.Color4(shadelight[0], shadelight[1], shadelight[2], alpha);
}
else
{
GL.EnableClientState(ArrayCap.ColorArray);
new Pinnable(colorArrayBuf.Array, (ptr) =>
{
GL.ColorPointer(4, ColorPointerType.Float, 0, ptr);
});
SingleBuffer color = colorArrayBuf;
Single l;
size = paliashdr.num_xyz;
var j = 0;
for (var i = 0; i < size; i++)
{
l = shadedots[(verts[i] >> 24) & 0xFF];
color.Put(j, l * shadelight[0]);
color.Put(j + 1, l * shadelight[1]);
color.Put(j + 2, l * shadelight[2]);
color.Put(j + 3, alpha);
j += 4;
}
}
GL.ClientActiveTexture(TextureUnit.Texture0);
new Pinnable(textureArrayBuf.Array, (ptr) =>
{
GL.TexCoordPointer(2, TexCoordPointerType.Float, 0, ptr);
});
var pos = 0;
Int32[] counts = paliashdr.counts;
Int32Buffer srcIndexBuf = null;
SingleBuffer dstTextureCoords = textureArrayBuf;
SingleBuffer srcTextureCoords = paliashdr.textureCoordBuf;
var dstIndex = 0;
var srcIndex = 0;
Int32 count;
Int32 mode;
size = counts.Length;
for (var j = 0; j < size; j++)
{
count = counts[j];
if (count == 0)
{
break;
}
srcIndexBuf = paliashdr.indexElements[j];
mode = ( Int32 )PrimitiveType.TriangleStrip;
if (count < 0)
{
mode = ( Int32 )PrimitiveType.TriangleFan;
count = -count;
}
srcIndex = pos << 1;
srcIndex--;
for (var k = 0; k < count; k++)
{
dstIndex = srcIndexBuf.Get(k) << 1;
dstTextureCoords.Put(dstIndex, srcTextureCoords.Get(++srcIndex));
dstTextureCoords.Put(++dstIndex, srcTextureCoords.Get(++srcIndex));
}
new Pinnable(srcIndexBuf.Array, (ptr) =>
{
GL.DrawElements(( PrimitiveType )mode, 1, DrawElementsType.UnsignedInt, ptr);
});
pos += count;
}
if ((currententity.flags & (Defines.RF_SHELL_RED | Defines.RF_SHELL_GREEN | Defines.RF_SHELL_BLUE | Defines.RF_SHELL_DOUBLE | Defines.RF_SHELL_HALF_DAM)) != 0)
{
GL.Enable(EnableCap.Texture2D);
}
GL.DisableClientState(ArrayCap.ColorArray);
}
// ======================================================================
// Handle mouse events.
// ----------------------------------------------------------------------
void ProcessMouseEvents(Rect titleArea, Rect dataArea)
{
Vector2 mousePosition = Event.current.mousePosition;
switch (Event.current.type)
{
case EventType.ScrollWheel: {
if (dataArea.Contains(mousePosition))
{
Vector2 delta = 8f * Event.current.delta;
if (Math3D.IsZero(myVScrollbarSize))
{
delta.y = 0;
}
if (Math3D.IsZero(myHScrollbarSize))
{
delta.x = 0;
}
myScrollbarPosition += delta;
if (myScrollbarPosition.x < 0)
{
myScrollbarPosition.x = 0;
}
if (myScrollbarPosition.y < 0)
{
myScrollbarPosition.y = 0;
}
if (myScrollbarPosition.x > myColumnDataSize.x - myHScrollbarSize)
{
myScrollbarPosition.x = myColumnDataSize.x - myHScrollbarSize;
}
if (myScrollbarPosition.y > myColumnDataSize.y - myVScrollbarSize)
{
myScrollbarPosition.y = myColumnDataSize.y - myVScrollbarSize;
}
Event.current.Use();
}
break;
}
case EventType.MouseDown: {
if (dataArea.Contains(mousePosition) || titleArea.Contains(mousePosition))
{
// Determine selected column.
float x = mousePosition.x - titleArea.x + myScrollbarPosition.x;
DSTableColumn selectedColumn = null;
foreach (var c in myColumns)
{
selectedColumn = c;
float columnWidth = selectedColumn.DataSize.x;
if (x < columnWidth)
{
break;
}
x -= columnWidth;
}
// Determine selected row.
int selectedRow = -1;
if (dataArea.Contains(mousePosition))
{
float y = mousePosition.y - dataArea.y + myScrollbarPosition.y - 6f;
for (int row = 0; row < myRowHeights.Length; ++row)
{
float rowHeight = myRowHeights[row];
if (y < rowHeight)
{
selectedRow = row;
break;
}
y -= rowHeight;
}
}
if (selectedColumn != mySelectedColumn || selectedRow != mySelectedRow)
{
mySelectedColumn = selectedColumn;
mySelectedRow = selectedRow;
myDataSource.OnMouseDown(this, selectedColumn, selectedRow);
}
Event.current.Use();
}
break;
}
case EventType.MouseUp: {
break;
}
}
}
public override bool Think(edict_t self)
{
float[] spot1 = new float[] { 0, 0, 0 }, spot2 = new float[] { 0, 0, 0 };
float[] temp = new float[] { 0, 0, 0 };
float chance;
trace_t tr;
int enemy_range;
float enemy_yaw;
if (self.enemy.health > 0)
{
Math3D.VectorCopy(self.s.origin, spot1);
spot1[2] += self.viewheight;
Math3D.VectorCopy(self.enemy.s.origin, spot2);
spot2[2] += self.enemy.viewheight;
tr = GameBase.gi.Trace(spot1, null, null, spot2, self, Defines.CONTENTS_SOLID | Defines.CONTENTS_MONSTER | Defines.CONTENTS_SLIME | Defines.CONTENTS_LAVA);
if (tr.ent != self.enemy)
{
return(false);
}
}
enemy_range = GameUtil.Range(self, self.enemy);
Math3D.VectorSubtract(self.enemy.s.origin, self.s.origin, temp);
enemy_yaw = Math3D.Vectoyaw(temp);
self.ideal_yaw = enemy_yaw;
if (enemy_range == Defines.RANGE_MELEE)
{
if (self.monsterinfo.melee != null)
{
self.monsterinfo.attack_state = Defines.AS_MELEE;
}
else
{
self.monsterinfo.attack_state = Defines.AS_MISSILE;
}
return(true);
}
if (self.monsterinfo.attack == null)
{
return(false);
}
if (GameBase.level.time < self.monsterinfo.attack_finished)
{
return(false);
}
if (enemy_range == Defines.RANGE_FAR)
{
return(false);
}
if ((self.monsterinfo.aiflags & Defines.AI_STAND_GROUND) != 0)
{
chance = 0.4F;
}
else if (enemy_range == Defines.RANGE_MELEE)
{
chance = 0.8F;
}
else if (enemy_range == Defines.RANGE_NEAR)
{
chance = 0.8F;
}
else if (enemy_range == Defines.RANGE_MID)
{
chance = 0.8F;
}
else
{
return(false);
}
if (Lib.Random() < chance)
{
self.monsterinfo.attack_state = Defines.AS_MISSILE;
self.monsterinfo.attack_finished = GameBase.level.time + 2 * Lib.Random();
return(true);
}
if ((self.flags & Defines.FL_FLY) != 0)
{
if (Lib.Random() < 0.3)
{
self.monsterinfo.attack_state = Defines.AS_SLIDING;
}
else
{
self.monsterinfo.attack_state = Defines.AS_STRAIGHT;
}
}
return(false);
}
private static Tuple <Point3D, Vector3D>[] GetFilteredNearby(Point3D[] nearby, Point3D position, Vector3D dragVelocity, ITriangle dragPlane, double minDot_LeftRight, double minDot_UpDown)
{
List <Tuple <Point3D, Vector3D> > retVal = new List <Tuple <Point3D, Vector3D> >();
// Get the portion of the drag velocity that is along the plane, then convert to a unit vector
Vector3D?velocity = GetVectorAlongPlaneUnit(dragVelocity, dragPlane);
if (velocity == null)
{
return(retVal.ToArray());
}
for (int cntr = 0; cntr < nearby.Length; cntr++)
{
Vector3D directionToPoint = nearby[cntr] - position;
DoubleVector directionSplit = Math3D.SplitVector(directionToPoint, dragPlane);
#region Left/Right
if (Math3D.IsNearZero(directionSplit.Standard))
{
continue;
}
Vector3D directionAlongPlaneUnit = directionSplit.Standard.ToUnit();
// Compare left/right (it's more restrictive)
double dotLeftRight = Vector3D.DotProduct(directionAlongPlaneUnit, velocity.Value);
if (dotLeftRight < minDot_LeftRight)
{
continue;
}
#endregion
#region Up/Down
// Get the portion along the velocity, then add the portion away from the plane (which eliminates the left/right part)
Vector3D directionUpDownUnit = directionToPoint.GetProjectedVector(velocity.Value) + directionSplit.Orth;
if (Math3D.IsNearZero(directionUpDownUnit))
{
continue;
}
directionUpDownUnit.Normalize();
// Compare up/down
double dotUpDown = Vector3D.DotProduct(directionUpDownUnit, velocity.Value);
if (dotUpDown < minDot_UpDown)
{
continue;
}
#endregion
// Add it (only storing the up/down portion, because that's all that's needed)
retVal.Add(Tuple.Create(nearby[cntr], directionUpDownUnit));
}
return(retVal.ToArray());
}
public Cube(int Width, int Height, int Depth, Math3D.Point3D origin)
{
width = Width;
height = Height;
depth = Depth;
cubeOrigin = origin;
}
private void ChooseForcePoints()
{
SortedList <int, List <Point3D>[]> pointSets = new SortedList <int, List <Point3D>[]>();
for (int cntr = 0; cntr < _numSets; cntr++)
{
//TODO: This method should return barycentric coords directly
// Create random points across the triangles
SortedList <int, List <Point3D> > points = Math3D.GetRandomPoints_OnHull_Structured(_triangles, _numPointsPerSet);
// Add these to the sets
foreach (int triangleIndex in points.Keys)
{
if (!pointSets.ContainsKey(triangleIndex))
{
pointSets.Add(triangleIndex, new List <Point3D> [_numSets]);
}
pointSets[triangleIndex][cntr] = points[triangleIndex];
}
}
foreach (int triangleIndex in pointSets.Keys)
{
List <Vector[]> localSets = new List <Vector[]>();
for (int setCntr = 0; setCntr < _numSets; setCntr++)
{
List <Point3D> points = pointSets[triangleIndex][setCntr];
if (points == null || points.Count == 0)
{
localSets.Add(null);
continue;
}
Vector[] set = new Vector[points.Count];
localSets.Add(set);
for (int cntr = 0; cntr < points.Count; cntr++)
{
set[cntr] = Math3D.ToBarycentric(this.Triangles[triangleIndex], points[cntr]);
}
}
// Store these sets in this triangle
this.Triangles[triangleIndex].StoreForcePointSets(localSets);
}
// Calculate the sample radius
if (_triangles.Length > 0)
{
// The sum of the volumes of point samples needs to equal the volume of the hull:
// N(4/3 pi r^3)=Vol
// r=cube root((Vol/N)/(4/3 pi))
var aabb = Math3D.GetAABB(_triangles[0].AllPoints); // using AABB as a safe way to get the volume of the hull
double volume = Math.Abs(aabb.Item2.X - aabb.Item1.X) * Math.Abs(aabb.Item2.Y - aabb.Item1.Y) * Math.Abs(aabb.Item2.Z - aabb.Item1.Z);
double intermediate = (volume / _numPointsPerSet) / ((4d / 3d) * Math.PI);
_sampleRadius = Math.Abs(Math.Pow(intermediate, 1d / 3d));
}
else
{
_sampleRadius = 0d;
}
}