static void Main(string[] args)
{
Console.WriteLine("Sanity Check!");
Sender _sender = new Sender();
KeyboardInput _key = new KeyboardInput();
EventListener _listener = new EventListener(_key);
vec3 start = vec3.Zero;
vec3 end = new vec3(110.0f, 100.0f, 10.0f);
float vel = 1f;
bool complete = false;
while (!complete)
{
MoveVector3(out complete, ref start, end, vel, AXIS.X);
}
Console.WriteLine("########################################################################");
Console.WriteLine("########### STOPPED SIM ###########");
Console.WriteLine("########################################################################");
_key.Send();
}
public ClockRenderer(vec3 worldPosition)
{
this.WorldPosition = worldPosition;
const float factor = 0.5f;
this.Scale = new vec3(factor, factor, factor);
this.ModelSize = new vec3(2, 2, 2);
}
public LinesBase(OpenGL gl, List<Tuple<vec3, vec3>> lines, Material material = null, OGLModelUsage usage = OGLModelUsage.StaticRead)
{
var verts = new vec3[lines.Count * 2];
var normals = new vec3[lines.Count * 2];
var indices = new uint[lines.Count * 2];
for (int i = 0; i < lines.Count; i++)
{
var i2 = i * 2;
verts[i2] = lines[i].Item1;
verts[i2 + 1] = lines[i].Item2;
normals[i2] = new vec3(1, 1, 1);
normals[i2 + 1] = new vec3(1, 1, 1);
indices[i2] = (uint)i2;
indices[i2 + 1] = (uint)(i2 + 1);
}
if (material != null)
Material = material;
Vertices = verts;
Normals = normals;
Indices = indices;
GlDrawMode = OpenGL.GL_LINES;
if (gl != null)
GenerateGeometry(gl, usage);
}
/// <summary>
/// 判定三点是否共线。
/// </summary>
/// <param name="walker"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="percent">如果三点共线，<paramref name="percent"/>代表(<paramref name="walker"/> - <paramref name="start"/>)/(<paramref name="end"/> - <paramref name="start"/>)</param>
/// <returns></returns>
public static bool InTheSameLine(this vec3 walker, vec3 start, vec3 end, out float percent, float allowableError = 0.01f)
{
vec3 v1 = walker - start;
vec3 v2 = end - start;
var values = new List<float>();
for (int i = 0; i < 3; i++)
{
if (v2[i] == 0.0f)
{
if (v1[i] != 0.0f)
{
percent = 0;
return false;
}
}
else
{
values.Add(v1[i] / v2[i]);
}
}
float average, variance;
values.ToArray().AverageVariance(out average, out variance);
if (variance <= allowableError)
{
percent = average;
return true;
}
else
{
percent = 0;
return false;
}
}
/// <summary>
/// 链条。若干个点用直线连接起来。
/// </summary>
/// <param name="pointCount">有多少个点</param>
/// <param name="length">点的范围（长度）</param>
/// <param name="width">点的范围（宽度）</param>
/// <param name="height">点的范围（高度）</param>
public ChainModel(int pointCount = 10, int length = 5, int width = 5, int height = 5)
{
var random = new Random();
var positions = new vec3[pointCount];
for (int i = 0; i < pointCount; i++)
{
var point = new vec3();
point.x = (float)random.NextDouble() * length;
point.y = (float)random.NextDouble() * width;
point.z = (float)random.NextDouble() * height;
positions[i] = point;
}
BoundingBox box = positions.Move2Center();
this.Lengths = box.MaxPosition - box.MinPosition;
this.Positions = positions;
this.Colors = new vec3[pointCount];
{
for (int i = 0; i < pointCount; i++)
{
uint p = (uint)((256 * 256 * 256) / pointCount * (i + 1));
var color = new vec3();
color.x = ((p >> 0) & 0xFF) / 255.0f;
color.y = ((p >> 8) & 0xFF) / 255.0f;
color.z = ((p >> 16) & 0xFF) / 255.0f;
this.Colors[i] = color;
}
}
}
public BrickFragmentShader(vec2 size, vec2 pct, vec3 brickColor, vec3 mortColor)
{
BrickSize = size;
BrickPct = pct;
BrickColor = brickColor;
MortarColor = mortColor;
}
public Entity(TexturedModel model, vec3 position, vec3 rot, float scale)
{
this.model = model;
this.position = position;
this.rot = rot;
this.scale = scale;
}
/// <summary>
/// Build a look at view matrix.
/// transform object's coordinate from world's space to camera's space.
/// </summary>
/// <param name="eye">The eye.</param>
/// <param name="center">The center.</param>
/// <param name="up">Up.</param>
/// <returns></returns>
public static mat4 lookAt(vec3 eye, vec3 center, vec3 up)
{
// camera's back in world space coordinate system
vec3 back = (eye - center).normalize();
// camera's right in world space coordinate system
vec3 right = up.cross(back).normalize();
// camera's up in world space coordinate system
vec3 standardUp = back.cross(right);
mat4 viewMatrix = new mat4(1);
viewMatrix.col0.x = right.x;
viewMatrix.col1.x = right.y;
viewMatrix.col2.x = right.z;
viewMatrix.col0.y = standardUp.x;
viewMatrix.col1.y = standardUp.y;
viewMatrix.col2.y = standardUp.z;
viewMatrix.col0.z = back.x;
viewMatrix.col1.z = back.y;
viewMatrix.col2.z = back.z;
// Translation in world space coordinate system
viewMatrix.col3.x = -eye.dot(right);
viewMatrix.col3.y = -eye.dot(standardUp);
viewMatrix.col3.z = -eye.dot(back);
return viewMatrix;
}
public static vec3 cross(vec3 lhs, vec3 rhs)
{
return new vec3(
lhs.y * rhs.z - rhs.y * lhs.z,
lhs.z * rhs.x - rhs.z * lhs.x,
lhs.x * rhs.y - rhs.x * lhs.y);
}
public TrefoilKnotModel(double interval = 0.02)
{
this.interval = interval;
bool initialized = false;
vec3 max = new vec3();
vec3 min = new vec3();
int uCount = GetUCount(interval);
for (int uIndex = 0; uIndex < uCount; uIndex++)
{
double t = Math.PI * 2 * uIndex / uCount;
var position = GetPosition(t);
if (!initialized)
{
max = position;
min = position;
initialized = true;
}
else
{
position.UpdateMax(ref max);
position.UpdateMin(ref min);
}
}
this.Lengths = max - min;
}
public Rectangle3D(vec3 min, vec3 max)
{
vec3 realMin, realMax;
MakesureMinMax(min, max, out realMin, out realMax);
this.min = realMin;
this.max = realMax;
}
private static vec3 GetLengths(BuildInSceneObject buildIn)
{
var lengths = new vec3(1, 1, 1) * 2;
switch (buildIn)
{
case BuildInSceneObject.Cube:
break;
case BuildInSceneObject.Sphere:
break;
case BuildInSceneObject.Ground:
lengths = new vec3(groundXLength, 1, groundZLength);
break;
case BuildInSceneObject.Axis:
break;
default:
throw new NotImplementedException();
}
return lengths;
}
public override MeshBase CreateMesh(GridderSource source)
{
PointGridderSource src = (PointGridderSource)source;
vec3 minvec3 = new vec3();
vec3 maxvec3 = new vec3();
bool isSet = false;
PointPositionBuffer positions = new PointPositionBuffer();
PointRadiusBuffer radiusBuffer = null;
int dimSize = src.DimenSize;
Random random = new Random();
// setup positions
unsafe
{
positions.AllocMem(dimSize);
var cells = (vec3*)positions.Data;
for (int gridIndex = 0; gridIndex < dimSize; gridIndex++)
{
vec3 p = src.TranslateMatrix * src.Positions[gridIndex];
cells[gridIndex] = p;
}
}
radiusBuffer = this.CreateRadiusBufferData(src, src.Radius);
PointMeshGeometry3D mesh = new PointMeshGeometry3D(positions, radiusBuffer, dimSize);
mesh.Max = src.TransformedActiveBounds.Max;
mesh.Min = src.TransformedActiveBounds.Min;
return mesh;
}
static BigDipperModel()
{
positions = new vec3[11];
positions[0] = new vec3(0, 2, 0);
positions[1] = new vec3(1, 2, 0);
positions[2] = new vec3(2, 1.5f, 0);
positions[3] = new vec3(3, 1.25f, 0);
positions[4] = new vec3(3.5f, 0, 0);
positions[5] = new vec3(4.5f, 0, 0);
positions[6] = new vec3(5, 1, 0);
positions[7] = new vec3(5.9f, 4.1f, 0);
positions[8] = new vec3(6.1f, 4.2f, 0);
positions[9] = new vec3(6.2f, 3.9f, 0);
positions[10] = new vec3(6.4f, 3.9f, 0);
positions.Move2Center();
colors = new vec3[11];
colors[0] = new vec3(1, 0, 0);
colors[1] = new vec3(1, 0.5f, 0);
colors[2] = new vec3(1, 1, 0);
colors[3] = new vec3(0, 1, 0);
colors[4] = new vec3(0, 1, 1);
colors[5] = new vec3(0, 0, 1);
colors[6] = new vec3(0.5f, 0, 1);
colors[7] = new vec3(1.0f, 215.0f / 255.0f, 0.0f);
colors[8] = new vec3(1.0f * 0.9f, 215.0f / 255.0f * 0.9f, 0.0f);
colors[9] = new vec3(1.0f * 0.8f, 215.0f / 255.0f * 0.8f, 0.0f);
colors[10] = new vec3(1.0f * 0.7f, 215.0f / 255.0f * 0.7f, 0.0f);
}
public KleinBottleModel(double interval = 0.02)
{
this.interval = interval;
bool initialized = false;
vec3 max = new vec3();
vec3 min = new vec3();
int uCount = GetUCount(interval);
int vCount = GetVCount(interval);
for (int uIndex = 0; uIndex < uCount; uIndex++)
{
for (int vIndex = 0; vIndex < vCount; vIndex++)
{
double u = Math.PI * uIndex / uCount;
double v = Math.PI * 2 * vIndex / vCount;
var position = GetPosition(u, v);
if (!initialized)
{
max = position;
min = position;
initialized = true;
}
else
{
position.UpdateMax(ref max);
position.UpdateMin(ref min);
}
}
}
this.Lengths = max - min;
}
public OrderIndependentTransparencyRenderer(IBufferable model, vec3 lengths,
string positionName, string normalName)
{
{
var map = new AttributeMap();
map.Add("position", positionName);
map.Add("normal", normalName);
var build_lists = new ShaderCode[2];
build_lists[0] = new ShaderCode(File.ReadAllText(@"shaders\OIT\build_lists.vert"), ShaderType.VertexShader);
build_lists[1] = new ShaderCode(File.ReadAllText(@"shaders\OIT\build_lists.frag"), ShaderType.FragmentShader);
this.buildListsRenderer = new PickableRenderer(model, build_lists, map, positionName);
}
{
var map = new AttributeMap();
map.Add("position", positionName);
var resolve_lists = new ShaderCode[2];
resolve_lists[0] = new ShaderCode(File.ReadAllText(@"shaders\OIT\resolve_lists.vert"), ShaderType.VertexShader);
resolve_lists[1] = new ShaderCode(File.ReadAllText(@"shaders\OIT\resolve_lists.frag"), ShaderType.FragmentShader);
this.resolve_lists = new PickableRenderer(model, resolve_lists, map, positionName);
}
{
this.depthTestState = new DepthTestState(false);
this.cullFaceState = new CullFaceState(false);
}
this.ModelSize = lengths;
}
/// <summary>
/// Evaluates the trefoil, providing the vertex at a given coordinate.
/// </summary>
/// <param name="s">The s.</param>
/// <param name="t">The t.</param>
/// <returns>The vertex at (s,t).</returns>
private static vec3 EvaluateTrefoil(float s, float t)
{
const float TwoPi = (float)Math.PI * 2;
float a = 0.5f;
float b = 0.3f;
float c = 0.5f;
float d = 0.1f;
float u = (1 - s) * 2 * TwoPi;
float v = t * TwoPi;
float r = (float)(a + b * Math.Cos(1.5f * u));
float x = (float)(r * Math.Cos(u));
float y = (float)(r * Math.Sin(u));
float z = (float)(c * Math.Sin(1.5f * u));
vec3 dv = new vec3();
dv.x = (float) (-1.5f*b*Math.Sin(1.5f*u)*Math.Cos(u) - (a + b*Math.Cos(1.5f*u))*Math.Sin(u));
dv.y = (float) (-1.5f*b*Math.Sin(1.5f*u)*Math.Sin(u) + (a + b*Math.Cos(1.5f*u))*Math.Cos(u));
dv.z = (float) (1.5f*c*Math.Cos(1.5f*u));
vec3 q = glm.normalize(dv);
vec3 qvn = glm.normalize(new vec3(q.y, -q.x, 0.0f));
vec3 ww = glm.cross(q, qvn);
vec3 range = new vec3();
range.x = (float) (x + d*(qvn.x*Math.Cos(v) + ww.x*Math.Sin(v)));
range.y = (float)(y + d * (qvn.y * Math.Cos(v) + ww.y * Math.Sin(v)));
range.z = (float)(z + d * ww.z * Math.Sin(v));
return range;
}
public BoundedRenderer(Renderer scientificRenderer, vec3 lengths)
{
if (scientificRenderer == null)
{ throw new ArgumentNullException(); }
this.BoundingBoxRenderer = BoudingBoxRendererFactory.GetBoundingBoxRenderer(lengths);
this.ScientificRenderer = scientificRenderer;
}
public void CanCreateLookAtProjection()
{
var eye = new vec3(4f, 4f, 4f);
var centre = new vec3(0f, 0f, 0f);
var up = new vec3(0f, 1f, 0f);
var result = glm.lookAt(eye, centre, up);
}
public static mat4 Translate(ref vec3 t)
{
return new mat4(
1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
t.x, t.y, t.z, 1
);
}
internal void SetDirection(vec3 direction)
{
direction.y = 0;
direction = direction.normalize();
float cosRadian = direction.dot(new vec3(1, 0, 0));
float radian = (float)Math.Acos(cosRadian);
if (direction.z > 0) { radian = -radian; }
this.radian = radian;
}
/// <summary>
/// Rotates by angleRadians in the direction(s) v and forces a recalculation of the result matrix.
/// </summary>
/// <param name="angleRadians">The angle of the rotation in radians.</param>
/// <param name="v">The vector that represents the axis around which should be rotated.</param>
public virtual TransformableBase RotateAbsolute(float angleRadians, vec3 v)
{
if (angleRadians == 0)
return this;
_rotationMatrix = GlmNet.glm.rotate(_rotationMatrix, angleRadians, v);
return RecalculateResultMatrix();
}
/// <summary>
///
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public static vec3 Abs(this vec3 item)
{
vec3 result = new vec3(item.x, item.y, item.z);
if (result.x < 0) { result.x = -result.x; }
if (result.y < 0) { result.y = -result.y; }
if (result.z < 0) { result.z = -result.z; }
return result;
}
//public PickedGeometry() { }
/// <summary>
/// The color-coded picking result.
/// <para>Representing a primitive(point, line, triangle, quad, polygon).</para>
/// </summary>
/// <param name="fromViewPort"></param>
/// <param name="geometryType"></param>
/// <param name="positions"></param>
/// <param name="vertexIds"></param>
/// <param name="stageVertexId"></param>
/// <param name="fromRenderer"></param>
public PickedGeometry(ViewPort fromViewPort, PickingGeometryType geometryType, vec3[] positions, uint[] vertexIds, uint stageVertexId, IPickable fromRenderer)
{
this.FromViewPort = fromViewPort;
this.GeometryType = geometryType;
this.Positions = positions;
this.VertexIds = vertexIds;
this.StageVertexId = stageVertexId;
this.FromRenderer = fromRenderer;
}
public static void ApplySingleLightParameters(SharpGL.OpenGL gl, ExtShaderProgram esp, vec3 lp)
{
var prms = esp.Parameters as ISingleLightParameters;
var p = esp.Program;
// Set the light position.
if (prms.LightPositionId != null)
p.SetUniform3(gl, prms.LightPositionId, lp.x, lp.y, lp.z);
}
public static mat4 ScaleMatrix(ref vec3 s)
{
mat4 r = new mat4(s.x, 0, 0, 0,
0, s.y, 0, 0,
0, 0, s.z, 0,
0, 0, 0, 1);
return r;
}
public static mat4 createTransformationMatrix(GlmNet.vec3 translation, vec3 rot, float scale)
{
mat4 matrix = new mat4(4);
matrix = glm.translate(matrix, translation);
mat4 rotMatrix = glm.rotate(rot.x, new vec3(0, 0, 1)) * glm.rotate(rot.y, new vec3(0, 1, 0)) * glm.rotate(rot.z, new vec3(1, 0, 0));
mat4 scaleMatrix = new mat4(4);
scaleMatrix = glm.scale(scaleMatrix, new vec3(scale, scale, scale));
return matrix * rotMatrix * scaleMatrix;
}
internal void SetDirection(IRenderable renderer, vec3 direction)
{
direction.y = 0;
direction = direction.normalize();
float cosRadian = direction.dot(new vec3(1, 0, 0));// (1, 0, 0) is teapot's default direction.
float radian = (float)Math.Acos(cosRadian);
if (direction.z > 0) { radian = -radian; }
renderer.RotationAngleDegree = (float)(radian * 180.0 / Math.PI);
}
public static mat4 createViewMatrix(Camera camera)
{
mat4 viewMatrix = new mat4();
viewMatrix = glm.rotate((float)ToRadiansExtension.ToRadians(camera.getRotation().y), new vec3(1, 0, 0));
viewMatrix = glm.rotate(viewMatrix,(float)ToRadiansExtension.ToRadians(camera.getRotation().z), new vec3(0, 1, 0));
viewMatrix = glm.rotate(viewMatrix,(float)ToRadiansExtension.ToRadians(camera.getRotation().x), new vec3(0, 0, 1));
vec3 negativeCameraPos = new vec3(-camera.getPosition().x, -camera.getPosition().y, -camera.getPosition().z);
viewMatrix = glm.translate(viewMatrix, negativeCameraPos);
return viewMatrix;
}
/// <summary>
/// Specify a cuboid that marks a model's edges.
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public LegacyBoundingBoxRenderer(vec3 min, vec3 max)
{
this.MinPosition = min;
this.MaxPosition = max;
this.Scale = new vec3(1, 1, 1);
this.RotationAxis = new vec3(0, 1, 0);
this.ModelSize = max - min;
}
/// <summary>
///
/// </summary>
/// <param name="lengths"></param>
public Cube(vec3 lengths)
{
this.Lengths = lengths;
}
public static float Distance(vec3 p1, vec3 p2)
{
return(Length(p2 - p1));
}
public static vec3 ProjectOntoPlane(vec3 v, vec3 n)
{
// See https://www.maplesoft.com/support/help/Maple/view.aspx?path=MathApps%2FProjectionOfVectorOntoPlane.
return(v - Project(v, n));
}
public float projection(vec3 point)
{
return(direction ^ (point - origin));
}
public static vec3 Rotate(vec3 v, float angle, vec3 axis)
{
Debug.Assert(axis != vec3.Zero, "Can't rotate around a vec3.Zero axis.");
return(angle == 0 ? v : quat.FromAxisAngle(angle, axis) * v);
}
public extern mat3(vec3 col0, vec3 col1, vec3 col2);
public ray(vec3 origin, vec3 direction)
{
this.origin = origin;
this.direction = direction;
}
public static float DistanceToLine(vec3 p, vec3 e0, vec3 e1, out float t)
{
return(Line3D.Distance(p, e0, e1, out t));
}
public void SetSeekTarget(vec3 targetPoint)
{
}
public static bool Intersects(vec3 p1, vec3 p2, vec3[] triangle, out float t)
{
return(Intersects(p1, p2, triangle[0], triangle[1], triangle[2], out t));
}
public static bool IsWithinTriangle(vec3 p, vec3 p0, vec3 p1, vec3 p2)
{
var b = Barycentric(p, p0, p1, p2);
return(b.x >= 0 && b.x <= 1 && b.y >= 0 && b.y <= 1 && b.z >= 0 && b.z <= 1);
}
public static vec3 Project(vec3 v, vec3 onto)
{
// See https://math.oregonstate.edu/home/programs/undergrad/CalculusQuestStudyGuides/vcalc/dotprod/dotprod.html.
return(vec3.Dot(onto, v) / vec3.Dot(onto, onto) * onto);
}
public CubeModel()
{
this.ModelSize = new vec3(xLength * 2, yLength * 2, zLength * 2);
}
public LayeredRectangleModel()
{
this.ModelSize = new vec3(xLength * 2, yLength * 2, (xLength + yLength) * 0.02f);
}
public ray()
{
origin = vec3.zero;
direction = vec3.forward;
}
public static void AreVectorsEqual(vec3 expected, vec3 actual, float delta)
{
Assert.AreEqual(expected.x, actual.x, delta, "Vector X component is incorrect.");
Assert.AreEqual(expected.y, actual.y, delta, "Vector Y component is incorrect.");
Assert.AreEqual(expected.z, actual.z, delta, "Vector Z component is incorrect.");
}
public float distance(vec3 point)
{
return((direction % (point - origin)).magnitude);
}
public static float Dot(vec3 v1, vec3 v2)
{
return(vec3.Dot(v1, v2));
}
public vec3 project(vec3 point)
{
return(origin + direction * projection(point));
}
public static float Length(vec3 v)
{
return((float)Math.Sqrt(LengthSquared(v)));
}
public static float LengthSquared(vec3 v)
{
return(v.x * v.x + v.y * v.y + v.z * v.z);
}
public static vec3 Cross(vec3 v1, vec3 v2)
{
return(vec3.Cross(v1, v2));
}
public static float Dot(vec3 v)
{
return(v.x * v.x + v.y * v.y + v.z * v.z);
}
public bullet(vec3 cp, vec3 ld)
{
pos = cp;
dir = ld;
}
public static vec3 Barycentric(vec3 p, vec3[] triangle)
{
return(Barycentric(p, triangle[0], triangle[1], triangle[2]));
}
public void update()
{
pos += dir;
}
public static PointsNode Create(IBufferSource model, string position, string color, vec3 size)
{
RenderMethodBuilder randomBuilder, gl_VertexIDBuilder;
{
var vs = new VertexShader(randomVert);
var fs = new FragmentShader(randomFrag);
var array = new ShaderArray(vs, fs);
var map = new AttributeMap();
map.Add("inPosition", position);
map.Add("inColor", color);
randomBuilder = new RenderMethodBuilder(array, map);
}
{
var vs = new VertexShader(gl_VertexIDVert);
var fs = new FragmentShader(gl_VertexIDFrag);
var array = new ShaderArray(vs, fs);
var map = new AttributeMap();
map.Add("inPosition", position);
gl_VertexIDBuilder = new RenderMethodBuilder(array, map);
}
var node = new PointsNode(model, position, randomBuilder, gl_VertexIDBuilder);
node.Initialize();
node.ModelSize = size;
return(node);
}
public static vec3 ProjectOntoPlane(vec3 p, vec3 planePoint, vec3 n)
{
return(ProjectOntoPlane(p - planePoint, n));
}
public static float DistanceSquared(vec3 p1, vec3 p2)
{
return(LengthSquared(p2 - p1));
}
public static bool IsWithinTriangle(vec3 p, vec3[] triangle)
{
return(IsWithinTriangle(p, triangle[0], triangle[1], triangle[2]));
}