public static void DrawBBox(BoundingBox box, Matrix Projection, Matrix View, Matrix localWorld,Color color)
{
// Use inside a drawing loop
Vector3[] corners = box.GetCorners();
VertexPositionColor[] primitiveList = new VertexPositionColor[corners.Length];
// Assign the 8 box vertices
for (int i = 0; i < corners.Length; i++)
{
primitiveList[i] = new VertexPositionColor(corners[i], color);
}
/* Set your own effect parameters here */
boxEffect.World = localWorld;
boxEffect.View = View;
boxEffect.Projection = Projection;
boxEffect.TextureEnabled = false;
// Draw the box with a LineList
foreach (EffectPass pass in boxEffect.CurrentTechnique.Passes)
{
pass.Apply();
device.DrawUserIndexedPrimitives(
PrimitiveType.LineList, primitiveList, 0, 8,
bBoxIndices, 0, 12);
}
}
/// <summary>
/// Renders the bounding box for debugging purposes.
/// </summary>
/// <param name="box">The box to render.</param>
/// <param name="graphicsDevice">The graphics device to use when rendering.</param>
/// <param name="view">The current view matrix.</param>
/// <param name="projection">The current projection matrix.</param>
/// <param name="color">The color to use drawing the lines of the box.</param>
public static void Render(
BoundingBox box,
GraphicsDevice graphicsDevice,
Matrix view,
Matrix projection,
Color color)
{
if (box.Min == box.Max)
{
return;
}
if (effect == null)
{
effect = new BasicEffect(graphicsDevice)
{TextureEnabled = false, VertexColorEnabled = true, LightingEnabled = false};
}
Vector3[] corners = box.GetCorners();
for (int i = 0; i < 8; i++)
{
verts[i].Position = corners[i];
verts[i].Color = color;
}
effect.View = view;
effect.Projection = projection;
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
pass.Apply();
graphicsDevice.DrawUserIndexedPrimitives(PrimitiveType.LineList, verts, 0, 8, indices, 0,
indices.Length/2);
}
}
public static void Draw(BoundingBox box, BaseCamera camera, Color color)
{
if (effect == null)
{
effect = new BasicEffect(YnG.GraphicsDevice);
effect.VertexColorEnabled = true;
effect.LightingEnabled = false;
}
Vector3 [] corners = box.GetCorners();
for (int i = 0; i < 8; i++)
{
verts [i].Position = corners [i];
verts [i].Color = color;
}
effect.View = camera.View;
effect.Projection = camera.Projection;
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
pass.Apply();
YnG.GraphicsDevice.DrawUserIndexedPrimitives(PrimitiveType.LineList, verts, 0, 8, indices, 0, indices.Length / 2);
}
}
public static void Render(BoundingBox box,
GraphicsDevice graphicsDevice,
Matrix view,
Matrix projection,
Color color)
{
if (_effect.IsNull())
_effect = new BasicEffect(graphicsDevice) { VertexColorEnabled = true, LightingEnabled = false };
var corners = box.GetCorners();
for (var i = 0; i < 8; i++)
{
Vertices[i].Position = corners[i];
Vertices[i].Color = color;
}
_effect.View = view;
_effect.Projection = projection;
foreach (var pass in _effect.CurrentTechnique.Passes)
{
pass.Apply();
graphicsDevice.DrawUserIndexedPrimitives(PrimitiveType.LineList,
Vertices,
0,
8,
Indices,
0,
Indices.Length / 2);
}
}
public static void AddBoundingBox(BoundingBox box, Color color, float life)
{
DebugShape shape = GetShapeForLines(12, life);
box.GetCorners(Corners);
shape.Vertices[0] = new VertexPositionColor(Corners[0], color);
shape.Vertices[1] = new VertexPositionColor(Corners[1], color);
shape.Vertices[2] = new VertexPositionColor(Corners[1], color);
shape.Vertices[3] = new VertexPositionColor(Corners[2], color);
shape.Vertices[4] = new VertexPositionColor(Corners[2], color);
shape.Vertices[5] = new VertexPositionColor(Corners[3], color);
shape.Vertices[6] = new VertexPositionColor(Corners[3], color);
shape.Vertices[7] = new VertexPositionColor(Corners[0], color);
shape.Vertices[8] = new VertexPositionColor(Corners[4], color);
shape.Vertices[9] = new VertexPositionColor(Corners[5], color);
shape.Vertices[10] = new VertexPositionColor(Corners[5], color);
shape.Vertices[11] = new VertexPositionColor(Corners[6], color);
shape.Vertices[12] = new VertexPositionColor(Corners[6], color);
shape.Vertices[13] = new VertexPositionColor(Corners[7], color);
shape.Vertices[14] = new VertexPositionColor(Corners[7], color);
shape.Vertices[15] = new VertexPositionColor(Corners[4], color);
shape.Vertices[16] = new VertexPositionColor(Corners[0], color);
shape.Vertices[17] = new VertexPositionColor(Corners[4], color);
shape.Vertices[18] = new VertexPositionColor(Corners[1], color);
shape.Vertices[19] = new VertexPositionColor(Corners[5], color);
shape.Vertices[20] = new VertexPositionColor(Corners[2], color);
shape.Vertices[21] = new VertexPositionColor(Corners[6], color);
shape.Vertices[22] = new VertexPositionColor(Corners[3], color);
shape.Vertices[23] = new VertexPositionColor(Corners[7], color);
}
public static void Draw(BoundingBox box)
{
Vector3[] corners = box.GetCorners();
VertexPositionColor[] primitiveList = new VertexPositionColor[corners.Length];
// Assign the 8 box vertices
for (int i = 0; i < corners.Length; i++)
{
primitiveList[i] = new VertexPositionColor(corners[i], Color.White);
}
/* Set your own effect parameters here */
boxEffect.World = Matrix.Identity;
boxEffect.View = Camera.View;
boxEffect.Projection = Camera.Projection;
boxEffect.TextureEnabled = false;
// Draw the box with a LineList
foreach (EffectPass pass in boxEffect.CurrentTechnique.Passes)
{
pass.Apply();
AssetManager.Singleton.m_GraphicsDevice.DrawUserIndexedPrimitives(
PrimitiveType.LineList, primitiveList, 0, 8,
bBoxIndices, 0, 12);
}
}
public static VertexPositionColor[] GetVerticesFromBounds(BoundingBox bounds, Color hitboxColor)
{
Vector3[] corners = bounds.GetCorners();
VertexPositionColor[] debugVerts = new VertexPositionColor[24];
debugVerts[0] = new VertexPositionColor(corners[0], hitboxColor);
debugVerts[1] = new VertexPositionColor(corners[1], hitboxColor);
debugVerts[2] = new VertexPositionColor(corners[1], hitboxColor);
debugVerts[3] = new VertexPositionColor(corners[5], hitboxColor);
debugVerts[4] = new VertexPositionColor(corners[5], hitboxColor);
debugVerts[5] = new VertexPositionColor(corners[4], hitboxColor);
debugVerts[6] = new VertexPositionColor(corners[4], hitboxColor);
debugVerts[7] = new VertexPositionColor(corners[0], hitboxColor);
debugVerts[8] = new VertexPositionColor(corners[3], hitboxColor);
debugVerts[9] = new VertexPositionColor(corners[2], hitboxColor);
debugVerts[10] = new VertexPositionColor(corners[2], hitboxColor);
debugVerts[11] = new VertexPositionColor(corners[6], hitboxColor);
debugVerts[12] = new VertexPositionColor(corners[6], hitboxColor);
debugVerts[13] = new VertexPositionColor(corners[7], hitboxColor);
debugVerts[14] = new VertexPositionColor(corners[7], hitboxColor);
debugVerts[15] = new VertexPositionColor(corners[3], hitboxColor);
debugVerts[16] = new VertexPositionColor(corners[3], hitboxColor);
debugVerts[17] = new VertexPositionColor(corners[0], hitboxColor);
debugVerts[18] = new VertexPositionColor(corners[2], hitboxColor);
debugVerts[19] = new VertexPositionColor(corners[1], hitboxColor);
debugVerts[20] = new VertexPositionColor(corners[6], hitboxColor);
debugVerts[21] = new VertexPositionColor(corners[5], hitboxColor);
debugVerts[22] = new VertexPositionColor(corners[7], hitboxColor);
debugVerts[23] = new VertexPositionColor(corners[4], hitboxColor);
return debugVerts;
}
public void AddLightVolume(ref BoundingBox boundingBox)
{
boundingBox.GetCorners(boundingBoxCorners);
for (int i = 0; i < boundingBoxCorners.Length; i++)
{
additionalLightVolumePoints.Add(boundingBoxCorners[i]);
}
}
public static bool IsNaN(BoundingBox b)
{
Vector3[] corners = new Vector3[8];
b.GetCorners(corners);
bool nan = false;
for (int i = 0; i < CornersInBB && !nan; i++)
{
Vector3 v = corners[i];
nan = nan || float.IsNaN(v.X) || float.IsNaN(v.Y) || float.IsNaN(v.Z);
}
return nan;
}
VertexPositionColor[] CreateVertices(BoundingBox boundingBox)
{
var vertices = new VertexPositionColor[8];
Vector3[] corners = boundingBox.GetCorners();
for (int i = 0; i < 8; i++)
{
vertices[i].Position = corners[i];
vertices[i].Color = Color.Red;
}
return vertices;
}
public static BoundingBox Transform(BoundingBox box, Matrix world)
{
var vertices = box.GetCorners();
var minVertex = new Vector3(float.MaxValue);
var maxVertex = new Vector3(float.MinValue);
foreach (Vector3 vertex in vertices)
{
var transformedVertex = Vector3.Transform(vertex, world);
minVertex = Vector3.Min(minVertex, transformedVertex);
maxVertex = Vector3.Max(maxVertex, transformedVertex);
}
return new BoundingBox(minVertex, maxVertex);
}
public static IEnumerable<Vector3> GetWorldSpaceFrustumCorners(
float clipSpaceNear, float clipSpaceFar,
Matrix viewProjectionInverse)
{
var clipSpaceBoundingBox = new BoundingBox(
new Vector3(-1, -1, clipSpaceNear),
new Vector3(1, 1, clipSpaceFar));
return clipSpaceBoundingBox.GetCorners().Select(v =>
{
var vt = Vector4.Transform(v, viewProjectionInverse);
vt /= vt.W;
return new Vector3(vt.X, vt.Y, vt.Z);
});
}
/// <summary>
/// Renders the bounding box for debugging purposes.
/// </summary>
/// <param name="box">The box to render.</param>
/// <param name="graphicsDevice">The graphics device to use when rendering.</param>
/// <param name="view">The current view matrix.</param>
/// <param name="projection">The current projection matrix.</param>
/// <param name="color">The color to use drawing the lines of the box.</param>
public static void Render(
BoundingBox box,
GraphicsDevice graphicsDevice,
Matrix view,
Matrix projection,
Color color)
{
if (effect == null)
{
effect = new BasicEffect(graphicsDevice, null);
effect.VertexColorEnabled = true;
effect.LightingEnabled = false;
vertDecl = new VertexDeclaration(graphicsDevice, VertexPositionColor.VertexElements);
}
Vector3[] corners = box.GetCorners();
for (int i = 0; i < 8; i++)
{
verts[i].Position = corners[i];
verts[i].Color = color;
}
graphicsDevice.VertexDeclaration = vertDecl;
effect.View = view;
effect.Projection = projection;
effect.Begin();
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
pass.Begin();
graphicsDevice.DrawUserIndexedPrimitives(
PrimitiveType.LineList,
verts,
0,
8,
indices,
0,
indices.Length / 2);
pass.End();
}
effect.End();
}
/// <summary>
/// Renders the bounding box for debugging purposes.
/// </summary>
/// <param name="box">The box to render.</param>
/// <param name="graphicsDevice">The graphics device to use when rendering.</param>
/// <param name="view">The current view matrix.</param>
/// <param name="projection">The current projection matrix.</param>
/// <param name="color">The color to use for drawing the lines of the box.</param>
public static void Render(
BoundingBox box,
GraphicsDevice graphicsDevice,
Matrix view,
Matrix projection,
Color color)
{
if (effect == null)
{
effect = new BasicEffect(graphicsDevice);
effect.VertexColorEnabled = true;
effect.LightingEnabled = false;
}
Vector3[] corners = box.GetCorners();
for (int i = 0; i < 8; i++)
{
verts[i].Position = corners[i];
verts[i].Color = color;
}
vertex_Buffer = new VertexBuffer(graphicsDevice, typeof(VertexPositionColor), verts.Length, BufferUsage.WriteOnly);
vertex_Buffer.SetData<VertexPositionColor>(verts);
graphicsDevice.SetVertexBuffer(vertex_Buffer);
effect.View = view;
effect.Projection = projection;
effect.CurrentTechnique.Passes[0].Apply();
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
graphicsDevice.DrawUserIndexedPrimitives(
PrimitiveType.LineList,
verts,
0,
8,
indices,
0,
indices.Length / 2);
}
}
protected override void LoadContent()
{
base.LoadContent();
BoundingBox box = new BoundingBox(new Vector3(-1,-1,-1),new Vector3(1,1,1) );
Vector3[] boxCornersVertices = box.GetCorners();
_boxCorners = new VertexPositionColor[boxCornersVertices.Length];
for (int i = 0; i < 8; i++)
_boxCorners[i] = new VertexPositionColor(boxCornersVertices[i], Color.White);
_boxIndices = new int[24];
_boxIndices[0] = 0;
_boxIndices[1] = 1;
_boxIndices[2] = 1;
_boxIndices[3] = 2;
_boxIndices[4] = 2;
_boxIndices[5] = 3;
_boxIndices[6] = 3;
_boxIndices[7] = 0;
_boxIndices[8] = 0;
_boxIndices[9] = 4;
_boxIndices[10] = 3;
_boxIndices[11] = 7;
_boxIndices[12] = 2;
_boxIndices[13] = 6;
_boxIndices[14] = 1;
_boxIndices[15] = 5;
_boxIndices[16] = 4;
_boxIndices[17] = 5;
_boxIndices[18] = 5;
_boxIndices[19] = 6;
_boxIndices[20] = 6;
_boxIndices[21] = 7;
_boxIndices[22] = 7;
_boxIndices[23] = 4;
effect = new BasicEffect(GraphicsDevice);
effect.EnableDefaultLighting();
effect.AmbientLightColor = new Vector3(150, 0, 0);
effect.PreferPerPixelLighting = true;
effect.LightingEnabled = true;
effect.TextureEnabled = false;
}
public static void DrawBBox(ref BoundingBox bbox, Color color)
{
Microsoft.Xna.Framework.Vector3[] corners = bbox.GetCorners();
Debug.DrawLine(corners[0], corners[1], color);
Debug.DrawLine(corners[1], corners[2], color);
Debug.DrawLine(corners[2], corners[3], color);
Debug.DrawLine(corners[3], corners[0], color);
Debug.DrawLine(corners[4], corners[5], color);
Debug.DrawLine(corners[5], corners[6], color);
Debug.DrawLine(corners[6], corners[7], color);
Debug.DrawLine(corners[7], corners[4], color);
Debug.DrawLine(corners[0], corners[4], color);
Debug.DrawLine(corners[1], corners[5], color);
Debug.DrawLine(corners[2], corners[6], color);
Debug.DrawLine(corners[3], corners[7], color);
}
public static void BoundingBox(GraphicsDevice g, BoundingBox b)
{
BasicEffect e = Shaders.Primitive;
VertexPositionColor[] vertices = new VertexPositionColor[8];
Vector3[] corners = b.GetCorners();
for (int i = 0; i < 8; i++)
{
vertices[i].Position = corners[i];
vertices[i].Color = Color.Red;
}
short[] indices = new short[] { 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 };
e.Begin();
e.CurrentTechnique.Passes[0].Begin();
g.VertexDeclaration = new VertexDeclaration(g, VertexPositionColor.VertexElements);
g.DrawUserIndexedPrimitives(PrimitiveType.LineList, vertices, 0, 8, indices, 0, 12);
e.CurrentTechnique.Passes[0].End();
e.End();
}
private static Line1D GetProjectedPoints(BoundingBox boundingBox, Vector3 axis)
{
var points = boundingBox.GetCorners();
var min = Vector3.Dot(axis, points[0]);
var max = min;
for (var i = 1; i < points.Length; i++)
{
var p = Vector3.Dot(axis, points[i]);
if (p < min)
{
min = p;
}
else if (p > max)
{
max = p;
}
}
return new Line1D(min, max);
}
public void Draw(ref BoundingBox box, Effect effect, ref Color vertexColor)
{
if (effect == null) throw new ArgumentNullException("effect");
box.GetCorners(corners);
for (int i = 0; i < 8; i++)
{
vertices[i].Position = corners[i];
vertices[i].Color = vertexColor;
}
effect.CurrentTechnique.Passes[0].Apply();
graphicsDevice.DrawUserIndexedPrimitives<VertexPositionColor>(
PrimitiveType.LineList,
vertices,
0,
8,
indices,
0,
primitiveCount);
}
public Cube(Vector3 origin, float width, float height, string type)
{
Origin = origin;
Sides = new Square[6];
Sides[0] = new Square(origin + new Vector3(0, width / 2, 0), Vector3.UnitY, Vector3.UnitX, height, width, type + "/top");
Sides[1] = new Square(origin - new Vector3(0, width / 2, 0), Vector3.UnitY, Vector3.UnitX, height, width, type + "/buttom");
Sides[2] = new Square(origin + new Vector3(0, 0, height / 2), Vector3.UnitZ, Vector3.UnitY, height, width, type + "/side");
Sides[3] = new Square(origin - new Vector3(0, 0, height / 2), Vector3.UnitZ, Vector3.UnitY, height, width, type + "/side");
Sides[4] = new Square(origin + new Vector3(width / 2, 0, 0), Vector3.UnitX, Vector3.UnitZ, height, width, type + "/side");
Sides[5] = new Square(origin - new Vector3(width / 2, 0, 0), Vector3.UnitX, Vector3.UnitZ, height, width, type + "/side");
Box = new BoundingBox(origin + new Vector3(width / 2, height / 2, width / 2), origin - new Vector3(width / 2, height / 2, width / 2));
bBoxIndices = new short[] { 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 };
corners = Box.GetCorners();
primitiveList = new VertexPositionColor[corners.Length];
for (int i = 0; i < corners.Length; i++)
{
primitiveList[i] = new VertexPositionColor(corners[i], Color.Black);
}
}
public void Draw(ref BoundingBox box, Effect effect, ref Color vertexColor)
{
box.GetCorners(corners);
for (int i = 0; i < 8; i++)
{
vertices[i].Position = corners[i];
vertices[i].Color = vertexColor;
}
foreach (var pass in effect.CurrentTechnique.Passes)
{
pass.Apply();
graphicsDevice.DrawUserIndexedPrimitives<VertexPositionColor>(
PrimitiveType.LineList,
vertices,
0,
8,
indices,
0,
primitiveCount);
}
}
/// <summary>
/// Renders the bounding box for debugging purposes.
/// </summary>
/// <param name="box">The box to render.</param>
/// <param name="graphicsDevice">The graphics device to use when rendering.</param>
/// <param name="view">The current view matrix.</param>
/// <param name="projection">The current projection matrix.</param>
/// <param name="color">The color to use drawing the lines of the box.</param>
public static void Render(
BoundingBox box,
GraphicsDevice graphicsDevice,
Matrix view,
Matrix projection,
Color color)
{
if (effect == null)
{
effect = new BasicEffect(graphicsDevice);
effect.VertexColorEnabled = true;
effect.LightingEnabled = false;
vertDecl = new VertexDeclaration(VertexPositionColor.VertexDeclaration.GetVertexElements());
}
Vector3[] corners = box.GetCorners();
for (int i = 0; i < 8; i++)
{
verts[i].Position = corners[i];
verts[i].Color = color;
}
VertexBuffer vertexBuffer = new VertexBuffer(graphicsDevice, vertDecl, 8, BufferUsage.None);
vertexBuffer.SetData(verts);
IndexBuffer indexBuffer = new IndexBuffer(graphicsDevice, typeof(int), 24, BufferUsage.WriteOnly);
indexBuffer.SetData(indices);
effect.View = view;
effect.Projection = projection;
graphicsDevice.SetVertexBuffer(vertexBuffer);
graphicsDevice.Indices = indexBuffer;
effect.CurrentTechnique.Passes[0].Apply();
graphicsDevice.DrawIndexedPrimitives(PrimitiveType.LineList, 0, 0, vertexBuffer.VertexCount, 0, indexBuffer.IndexCount / 2);
}
public static void AddBoundingBox(BoundingBox box, Color color, float life = 0f)
{
// Get a DebugShape we can use to draw the box
DebugShape shape = GetShapeForLines(12, life);
// Get the corners of the box
box.GetCorners(_corners);
// Fill in the vertices for the bottom of the box
shape.Vertices[0] = new VertexPositionColor(_corners[0], color);
shape.Vertices[1] = new VertexPositionColor(_corners[1], color);
shape.Vertices[2] = new VertexPositionColor(_corners[1], color);
shape.Vertices[3] = new VertexPositionColor(_corners[2], color);
shape.Vertices[4] = new VertexPositionColor(_corners[2], color);
shape.Vertices[5] = new VertexPositionColor(_corners[3], color);
shape.Vertices[6] = new VertexPositionColor(_corners[3], color);
shape.Vertices[7] = new VertexPositionColor(_corners[0], color);
// Fill in the vertices for the top of the box
shape.Vertices[8] = new VertexPositionColor(_corners[4], color);
shape.Vertices[9] = new VertexPositionColor(_corners[5], color);
shape.Vertices[10] = new VertexPositionColor(_corners[5], color);
shape.Vertices[11] = new VertexPositionColor(_corners[6], color);
shape.Vertices[12] = new VertexPositionColor(_corners[6], color);
shape.Vertices[13] = new VertexPositionColor(_corners[7], color);
shape.Vertices[14] = new VertexPositionColor(_corners[7], color);
shape.Vertices[15] = new VertexPositionColor(_corners[4], color);
// Fill in the vertices for the vertical sides of the box
shape.Vertices[16] = new VertexPositionColor(_corners[0], color);
shape.Vertices[17] = new VertexPositionColor(_corners[4], color);
shape.Vertices[18] = new VertexPositionColor(_corners[1], color);
shape.Vertices[19] = new VertexPositionColor(_corners[5], color);
shape.Vertices[20] = new VertexPositionColor(_corners[2], color);
shape.Vertices[21] = new VertexPositionColor(_corners[6], color);
shape.Vertices[22] = new VertexPositionColor(_corners[3], color);
shape.Vertices[23] = new VertexPositionColor(_corners[7], color);
}
/// <summary>
/// Renders the bounding box for debugging purposes.
/// </summary>
/// <param name="box">The box to render.</param>
/// <param name="graphicsDevice">The graphics device to use when rendering.</param>
/// <param name="view">The current view matrix.</param>
/// <param name="projection">The current projection matrix.</param>
/// <param name="color">The color to use drawing the lines of the box.</param>
public static void Render(
Game1 game,
BoundingBox box,
GraphicsDevice graphicsDevice,
Matrix view,
Matrix projection,
Color color)
{
if (effect == null)
{
effect = new BasicEffect(graphicsDevice);
effect.VertexColorEnabled = true;
effect.LightingEnabled = false;
}
Vector3[] corners = box.GetCorners();
for (int i = 0; i < 4; i++)
{
int j = i + 1;
if (i == 3)
{
j = 0;
}
game.drawUtils.DrawLine(corners[i], corners[j], color);
game.drawUtils.DrawLine(corners[i], corners[i + 4], color);
}
for (int i = 4; i < 8; i++)
{
int j = i + 1;
if (i == 7)
{
j = 4;
}
game.drawUtils.DrawLine(corners[i], corners[j], color);
}
}
/// <summary>
/// Draws the wireframe of a bounding box
/// </summary>
/// <param name="bb">Bounding Box</param>
public static void DrawBoundingBox(BoundingBox bb, Matrix transform)
{
VertexPositionColor[] verts = new VertexPositionColor[8];
Vector3[] corners = bb.GetCorners();
for (int i = 0; i < 8; i++)
{
verts[i].Position = corners[i];
verts[i].Color = Color.Red;
}
int[] indices = new int[]
{
0, 1,
1, 2,
2, 3,
3, 0,
0, 4,
1, 5,
2, 6,
3, 7,
4, 5,
5, 6,
6, 7,
7, 4,
};
_effect.World = transform;
_effect.View = CameraManager.Instance.View;
_effect.Projection = CameraManager.Instance.Projection;
_effect.Techniques[0].Passes[0].Apply();
GameResources.GraphicsDevice.DrawUserIndexedPrimitives<VertexPositionColor>(PrimitiveType.LineList, verts, 0, verts.Length, indices, 0, indices.Length / 2);
}
public void HandleTileCollision(Map map, bool collision, GameTime gameTime)
{
depthX = depthY = float.MaxValue;
int i = (int)((PlayerPostion().X + 50) / 100);
int j = (int)((PlayerPostion().Y + 0) / 100);
Vector3 pos = new Vector3(map.TileDimensions.X * i, map.TileDimensions.Y * j, 0);
BoundingBox bb = new BoundingBox(new Vector3(pos.X - (int)(80 * .68), pos.Y, -(int)(80 * .68)), new Vector3(pos.X + (int)(80 * .68), pos.Y + (int)(map.IsPorch(i, j) ? 10 : 140 * .68), (int)(60 * .68)));
float deltaX, deltaY;
if (velocity.Y > 0)
{
deltaY = -CollisionBox.GetCorners()[0].Y + bb.GetCorners()[3].Y;
}
else if (velocity.Y < 0)
{
deltaY = CollisionBox.GetCorners()[0].Y - bb.GetCorners()[0].Y;
deltaY -= 50;
gravity = 0f;
}
else
deltaY = 0;
if (velocity.X > 0)
{
deltaX = CollisionBox.GetCorners()[1].X - bb.GetCorners()[0].X;
deltaY = 0;
}
else if (velocity.X < 0)
{
deltaX = CollisionBox.GetCorners()[0].X - bb.GetCorners()[1].X;
deltaY = 0;
}
else
deltaX = 0;
position.X -= deltaX;
position.Y += deltaY;
}
// Create and return the (drawable) bounding box
private BoundingBoxBuffers CreateBoundingBoxBuffers(BoundingBox boundingBox, GraphicsDevice graphicsDevice)
{
BoundingBoxBuffers boundingBoxBuffers = new BoundingBoxBuffers();
boundingBoxBuffers.PrimitiveCount = 24;
boundingBoxBuffers.VertexCount = 48;
VertexBuffer vertexBuffer = new VertexBuffer(graphicsDevice,
typeof(VertexPositionColor), boundingBoxBuffers.VertexCount,
BufferUsage.WriteOnly);
List<VertexPositionColor> vertices = new List<VertexPositionColor>();
const float ratio = 5.0f;
Vector3 xOffset = new Vector3((boundingBox.Max.X - boundingBox.Min.X) / ratio, 0, 0);
Vector3 yOffset = new Vector3(0, (boundingBox.Max.Y - boundingBox.Min.Y) / ratio, 0);
Vector3 zOffset = new Vector3(0, 0, (boundingBox.Max.Z - boundingBox.Min.Z) / ratio);
Vector3[] corners = boundingBox.GetCorners();
// Corner 1.
AddVertex(vertices, corners[0]);
AddVertex(vertices, corners[0] + xOffset);
AddVertex(vertices, corners[0]);
AddVertex(vertices, corners[0] - yOffset);
AddVertex(vertices, corners[0]);
AddVertex(vertices, corners[0] - zOffset);
// Corner 2.
AddVertex(vertices, corners[1]);
AddVertex(vertices, corners[1] - xOffset);
AddVertex(vertices, corners[1]);
AddVertex(vertices, corners[1] - yOffset);
AddVertex(vertices, corners[1]);
AddVertex(vertices, corners[1] - zOffset);
// Corner 3.
AddVertex(vertices, corners[2]);
AddVertex(vertices, corners[2] - xOffset);
AddVertex(vertices, corners[2]);
AddVertex(vertices, corners[2] + yOffset);
AddVertex(vertices, corners[2]);
AddVertex(vertices, corners[2] - zOffset);
// Corner 4.
AddVertex(vertices, corners[3]);
AddVertex(vertices, corners[3] + xOffset);
AddVertex(vertices, corners[3]);
AddVertex(vertices, corners[3] + yOffset);
AddVertex(vertices, corners[3]);
AddVertex(vertices, corners[3] - zOffset);
// Corner 5.
AddVertex(vertices, corners[4]);
AddVertex(vertices, corners[4] + xOffset);
AddVertex(vertices, corners[4]);
AddVertex(vertices, corners[4] - yOffset);
AddVertex(vertices, corners[4]);
AddVertex(vertices, corners[4] + zOffset);
// Corner 6.
AddVertex(vertices, corners[5]);
AddVertex(vertices, corners[5] - xOffset);
AddVertex(vertices, corners[5]);
AddVertex(vertices, corners[5] - yOffset);
AddVertex(vertices, corners[5]);
AddVertex(vertices, corners[5] + zOffset);
// Corner 7.
AddVertex(vertices, corners[6]);
AddVertex(vertices, corners[6] - xOffset);
AddVertex(vertices, corners[6]);
AddVertex(vertices, corners[6] + yOffset);
AddVertex(vertices, corners[6]);
AddVertex(vertices, corners[6] + zOffset);
// Corner 8.
AddVertex(vertices, corners[7]);
AddVertex(vertices, corners[7] + xOffset);
AddVertex(vertices, corners[7]);
AddVertex(vertices, corners[7] + yOffset);
AddVertex(vertices, corners[7]);
AddVertex(vertices, corners[7] + zOffset);
vertexBuffer.SetData(vertices.ToArray());
boundingBoxBuffers.Vertices = vertexBuffer;
IndexBuffer indexBuffer = new IndexBuffer(graphicsDevice, IndexElementSize.SixteenBits, boundingBoxBuffers.VertexCount,
BufferUsage.WriteOnly);
indexBuffer.SetData(Enumerable.Range(0, boundingBoxBuffers.VertexCount).Select(i => (short)i).ToArray());
boundingBoxBuffers.Indices = indexBuffer;
return boundingBoxBuffers;
}
// Calcule et retourne BoundingBox
private BoundingBox CalculerBoundingBox(ModelMesh maillage, float[] sommetsDuModèle, int tailleSommetEnFloat, ref int début)
{
int nbSommets = 0;
foreach (ModelMeshPart portionDeMaillage in maillage.MeshParts)
{
nbSommets += portionDeMaillage.NumVertices;
}
Vector3 maxMaillage = new Vector3(float.MinValue, float.MinValue, float.MinValue);
Vector3 minMaillage = new Vector3(float.MaxValue, float.MaxValue, float.MaxValue);
int index = 0;
Vector3[] positionSommets = new Vector3[nbSommets];
int fin = début + nbSommets * tailleSommetEnFloat;
// on parcourt la portion de la liste des sommets correspondant à cette partie du modèle
for (int indiceSommet = début; indiceSommet < fin && indiceSommet < sommetsDuModèle.Length; indiceSommet += tailleSommetEnFloat)
{
Vector3 sommet = new Vector3(sommetsDuModèle[indiceSommet], sommetsDuModèle[indiceSommet + 1], sommetsDuModèle[indiceSommet + 2]);
positionSommets[index] = sommet;
minMaillage = Vector3.Min(sommet, minMaillage);
maxMaillage = Vector3.Max(sommet, maxMaillage);
++index;
}
début = fin;
BoundingBox boîte = new BoundingBox(minMaillage, maxMaillage);
Vector3[] listeDesCoins = boîte.GetCorners();
Matrix mondeLocal = maillage.ParentBone.Transform;
mondeLocal *= Matrix.CreateScale(Échelle * ÉchelleBox);
mondeLocal *= Matrix.CreateFromYawPitchRoll(Rotation.Y, Rotation.X, Rotation.Z);
mondeLocal *= Matrix.CreateTranslation(Position);
Vector3.Transform(listeDesCoins, ref mondeLocal, listeDesCoins);
boîte = BoundingBox.CreateFromPoints(listeDesCoins);
return boîte;
}
/// <summary>
/// Renders the outline of an axis-aligned bounding box
/// </summary>
/// <param name="box">Bounding box to render</param>
/// <param name="color">Color of the box lines</param>
public void DrawWireBox(BoundingBox box, Color color)
{
DrawWireShape(box.GetCorners(), cubeIndices, color);
}
public override ModelContent Process(NodeContent input, ContentProcessorContext context)
{
//allocates list that stores values from the processor to the ScreenModel class
ToSendInTag = new List<object>();
CollisionBox = new BoundingBox();
//code that builds/creates the bounding box for collisions
//gets the node data from the model-> allows us to go in further through meshes later to find vector sizes
NodeContentCollection nodeContentCollection = input.Children;
ModelContent TheContent = base.Process(input, context);
//CollisionType = new ObjectTypes((int)CollisionArg);
Enum EnumWrapper = CollisionArg;
//tags the collision box...allows us to reference them outside...I've used tags before; they are cool and weird
//As I need to send multiple values through the tag; why not use a list of generic objects?
//ToSendInTag.Add(EnumWrapper);
ToSendInTag.Add((int)CollisionArg);
//only processes the shape of the bounding box when the bounding box is required, saves memory and processing time
if (CollisionArg == CollisionKind.Box)
{
//for objects that are better off using a bounding box
FindVectorValues(nodeContentCollection);
ToSendInTag.Add(CollisionBox);
}
if (CollisionArg == CollisionKind.Room)
{
//calculates bounding collision box
FindVectorValues(nodeContentCollection);
//gets the points of the corners; should be 8 of them
Vector3[] ListOfCorners = CollisionBox.GetCorners();
//uses maths to get planes from these corners
// 1 2 5 6
// 3 4 7 8
// up down
//needs to get a total of 6 walls
//create a list of planes to send over that represent the walls of a room
List<Plane> ListOfWalls = new List<Plane>();
//6 sides are recieved from using 3 points on each of the planes
//#1- pts: 1,2,3
ListOfWalls.Add(new Plane(ListOfCorners[0],ListOfCorners[1],ListOfCorners[2]));
//#2- pts: 1,5,6
ListOfWalls.Add(new Plane(ListOfCorners[0], ListOfCorners[4], ListOfCorners[5]));
//#3- pts: 2,6,8
ListOfWalls.Add(new Plane(ListOfCorners[1], ListOfCorners[5], ListOfCorners[7]));
//#4- pts: 4,7,8
ListOfWalls.Add(new Plane(ListOfCorners[3], ListOfCorners[6], ListOfCorners[7]));
//#5- pts: 3,5,7
ListOfWalls.Add(new Plane(ListOfCorners[2], ListOfCorners[4], ListOfCorners[6]));
//#6- pts: 5,6,8
ListOfWalls.Add(new Plane(ListOfCorners[4], ListOfCorners[5], ListOfCorners[7]));
//added to the tag array
ToSendInTag.Add(ListOfWalls);
}
//sends over the list
TheContent.Tag = ToSendInTag;
//returns the modified data with the tag (reference) to the bounding box
return (TheContent);
}