/// <summary>
/// Begin the modifier (This method is called by the DrawTarget)
/// </summary>
/// <param name="state"></param>
public void Begin(DrawState state)
{
enabledBuffer = enabled;
this.cameras = state.Camera;
if (enabledBuffer)
state.Cullers.PushPostCuller(this);
}
/// <summary>
/// End the modifier (This method is called by the DrawTarget)
/// </summary>
/// <param name="state"></param>
public void End(DrawState state)
{
if (enabledBuffer)
state.Cullers.PopPostCuller();
this.cameras = null;
if (cubes.Count > 0 || spheres.Count > 0)
{
Xen.Ex.Shaders.FillSolidColour shader = state.GetShader<Xen.Ex.Shaders.FillSolidColour>();
shader.FillColour = new Vector4(1,1,1,0.25f);
using (state.RenderState.Push())
using (state.Shader.Push(shader))
using (state.Camera.Push())
{
ICamera camera = state.Camera.GetCamera();
state.RenderState.CurrentDepthState.DepthWriteEnabled = false;
state.RenderState.CurrentDepthState.DepthTestEnabled = EnableDepthTesting;
state.RenderState.CurrentBlendState = AlphaBlendState.Alpha;
GenCubeVS(state);
GenSphereVS(state);
Matrix mat;
for (int i = 0; i < cubes.Count; i++)
{
mat = cubes[i].Matrix;
if (camera != cubes[i].Camera)
{
camera = cubes[i].Camera;
state.Camera.SetCamera(camera);
}
using (state.WorldMatrix.Push(ref mat))
{
cubeVS.Draw(state, null, PrimitiveType.LineList);
}
}
mat = Matrix.Identity;
for (int i = 0; i < spheres.Count; i++)
{
Vector3 v = spheres[i].Position;
float scale = spheres[i].Radius;
if (camera != spheres[i].Camera)
{
camera = spheres[i].Camera;
state.Camera.SetCamera(camera);
}
mat.M11 = scale;
mat.M22 = scale;
mat.M33 = scale;
mat.M41 = v.X;
mat.M42 = v.Y;
mat.M43 = v.Z;
using (state.WorldMatrix.Push(ref mat))
{
sphereVS.Draw(state, null, PrimitiveType.LineList);
}
}
}
}
spheres.Clear();
cubes.Clear();
}
