private void DrawBoundingPrimitive(GameTime gameTime, ICollisionPrimitive collisionPrimitive, Color color)
{
if (collisionPrimitive is SphereCollisionPrimitive)
{
int primitiveCount = 0;
vertexData = new VertexData <VertexPositionColor>(VertexFactory.GetSphereVertices(1, 10, out primitiveCount),
PrimitiveType.LineStrip, primitiveCount);
coll = collisionPrimitive as SphereCollisionPrimitive;
world = Matrix.Identity * Matrix.CreateScale(coll.BoundingSphere.Radius) * Matrix.CreateTranslation(coll.BoundingSphere.Center);
wireframeEffect.World = world;
wireframeEffect.View = cameraManager.ActiveCamera.View;
wireframeEffect.Projection = cameraManager.ActiveCamera.Projection;
wireframeEffect.DiffuseColor = Color.White.ToVector3();
wireframeEffect.CurrentTechnique.Passes[0].Apply();
vertexData.Draw(gameTime, wireframeEffect);
}
else
{
BoxCollisionPrimitive coll = collisionPrimitive as BoxCollisionPrimitive;
BoundingBoxBuffers buffers = BoundingBoxDrawer.CreateBoundingBoxBuffers(coll.BoundingBox, GraphicsDevice);
BoundingBoxDrawer.DrawBoundingBox(buffers, wireframeEffect, GraphicsDevice,
cameraManager.ActiveCamera);
}
}
private void DrawFrustumCullingSphere(GameTime gameTime, IActor actor)
{
if (this.bShowFrustumCullingSphere)
{
Actor3D actor3D = actor as Actor3D;
world = Matrix.Identity
* Matrix.CreateScale(actor3D.BoundingSphere.Radius)
* Matrix.CreateTranslation(actor3D.BoundingSphere.Center);
this.wireframeEffect.World = world;
this.wireframeEffect.View = this.managerParameters.CameraManager.ActiveCamera.View;
this.wireframeEffect.Projection = this.managerParameters.CameraManager.ActiveCamera.ProjectionParameters.Projection;
this.wireframeEffect.DiffuseColor = frustumSphereColor.ToVector3();
this.wireframeEffect.CurrentTechnique.Passes[0].Apply();
sphereVertexData.Draw(gameTime, this.wireframeEffect);
}
}
