protected void _RenderPolygon(Matrix objToWorld, SceneRenderState srs, Vector2[] vertices, Color color)
{
GraphicsDevice d3d = srs.Gfx.Device;
Assert.Fatal(d3d != null, "doh");
Assert.Fatal(vertices.Length > 0, "no vertices to render!");
int numVerts = vertices.Length + 1;
// make sure we have a vertex buffer
if (_vb.IsNull)
{
int sizeInBytes = numVerts * GFXVertexFormat.VertexSize;
_vb = ResourceManager.Instance.CreateDynamicVertexBuffer(ResourceProfiles.ManualStaticVBProfile, sizeInBytes);
}
// deal with flip
float flipx = SceneObject != null && SceneObject.FlipX ? -1.0f : 1.0f;
float flipy = SceneObject != null && SceneObject.FlipY ? -1.0f : 1.0f;
// fill in vertex array
GFXVertexFormat.PCTTBN[] pVertices = TorqueUtil.GetScratchArray<GFXVertexFormat.PCTTBN>(numVerts);
for (int i = 0; i < numVerts - 1; ++i)
{
pVertices[i] = new GFXVertexFormat.PCTTBN();
pVertices[i].Position = new Vector3(flipx * vertices[i].X, flipy * vertices[i].Y, 0.0f);
pVertices[i].Color = color;
}
pVertices[numVerts - 1] = pVertices[0];
_vb.Instance.SetData<GFXVertexFormat.PCTTBN>(pVertices, 0, numVerts);
srs.World.Push();
srs.World.MultiplyMatrixLocal(objToWorld);
if (_effect == null)
{
_effect = new GarageGames.Torque.Materials.SimpleMaterial();
}
RenderInstance ri = SceneRenderer.RenderManager.AllocateInstance();
ri.Type = RenderInstance.RenderInstanceType.Mesh2D;
ri.ObjectTransform = srs.World.Top;
ri.VertexBuffer = _vb.Instance;
ri.PrimitiveType = PrimitiveType.LineStrip;
ri.VertexSize = GFXVertexFormat.VertexSize;
ri.VertexDeclaration = GFXVertexFormat.GetVertexDeclaration(d3d);
ri.VertexCount = numVerts;
ri.BaseVertex = 0;
ri.PrimitiveCount = numVerts - 1;
ri.UTextureAddressMode = TextureAddressMode.Clamp;
ri.VTextureAddressMode = TextureAddressMode.Clamp;
ri.Material = _effect;
SceneRenderer.RenderManager.AddInstance(ri);
srs.World.Pop();
}
/// <summary>
/// Render position of last collision point and normal. Strictly for debug purposes. Should be called by
/// derived class.
/// </summary>
/// <param name="objToWorld">Current render transform.</param>
/// <param name="srs">Scene render state passed in for rendering purposes.</param>
public virtual void RenderBounds(Matrix objToWorld, SceneRenderState srs)
{
if (_keepCollision > 0)
{
_keepCollision--;
GraphicsDevice d3d = srs.Gfx.Device;
int numVerts = 6;
GarageGames.Torque.Materials.SimpleMaterial effect = new GarageGames.Torque.Materials.SimpleMaterial();
// create VB
int sizeInBytes = numVerts * GFXVertexFormat.VertexSize;
VertexBuffer vb = new VertexBuffer(GFXDevice.Instance.Device, sizeInBytes, BufferUsage.WriteOnly);
// fill VB
Color faceColor = Color.Red;
GFXVertexFormat.PCTTBN[] vertices = TorqueUtil.GetScratchArray<GFXVertexFormat.PCTTBN>(numVerts);
for (int i = 0; i < numVerts; ++i)
vertices[i].Color = faceColor;
float d = 0.5f;
vertices[0].Position = new Vector3(_lastCollisionPoint.X - d, _lastCollisionPoint.Y - d, 0.0f);
vertices[1].Position = new Vector3(_lastCollisionPoint.X + d, _lastCollisionPoint.Y + d, 0.0f);
vertices[2].Position = new Vector3(_lastCollisionPoint.X - d, _lastCollisionPoint.Y + d, 0.0f);
vertices[3].Position = new Vector3(_lastCollisionPoint.X + d, _lastCollisionPoint.Y - d, 0.0f);
vertices[4].Position = new Vector3(_lastCollisionPoint.X, _lastCollisionPoint.Y, 0.0f);
vertices[5].Position = new Vector3(_lastCollisionPoint.X + _lastCollisionNormal.X * 2.0f, _lastCollisionPoint.Y + _lastCollisionNormal.Y * 2.0f, 0.0f);
vb.SetData<GFXVertexFormat.PCTTBN>(vertices, 0, numVerts);
RenderInstance ri = SceneRenderer.RenderManager.AllocateInstance();
ri.Type = RenderInstance.RenderInstanceType.Mesh2D;
ri.ObjectTransform = Matrix.Identity;
ri.VertexBuffer = vb;
ri.PrimitiveType = PrimitiveType.LineList;
ri.VertexSize = GFXVertexFormat.VertexSize;
ri.VertexDeclaration = GFXVertexFormat.GetVertexDeclaration(d3d);
ri.BaseVertex = 0;
ri.PrimitiveCount = 3;
ri.VertexCount = numVerts;
ri.UTextureAddressMode = TextureAddressMode.Clamp;
ri.VTextureAddressMode = TextureAddressMode.Clamp;
ri.Material = effect;
SceneRenderer.RenderManager.AddInstance(ri);
}
}