unsafe void PrepareState()
{
if (m_ParticleRenderingState != null)
{
Simulate (DateTime.Now);
PositionBuffer.Publish ();
ColorAndSizeBuffer.Publish ();
m_SystemState.Activate ();
return;
}
unsafe
{
//VelocityBuffer = new BufferObject<Vector4> (sizeof(Vector4), size) { Name = "velocity_buffer", Usage = BufferUsageHint.DynamicDraw };
PositionBuffer = new BufferObject<Vector4> (sizeof(Vector4), PARTICLES_COUNT) { Name = "position_buffer", Usage = BufferUsageHint.DynamicDraw };
ColorAndSizeBuffer = new BufferObject<Vector4> (sizeof(Vector4), PARTICLES_COUNT) { Name = "colorandsize_buffer", Usage = BufferUsageHint.DynamicDraw };
}
m_Projection = new MatrixStack ().Push (Matrix4.CreateOrthographic (14, 14, -1, 1));
m_TransformationStack = new MatrixStack (m_Projection).Push (Matrix4.Identity).Push (Matrix4.Identity);
m_UniformState = new UniformState ().Set ("color", new Vector4 (0, 0, 1, 1)).Set ("red", 1.0f).Set ("green", 0.0f).Set ("blue", 1.0f).Set ("colors", new float[] { 0, 1, 0, 1 }).Set ("colors2", new Vector4[] { new Vector4 (1, 0.1f, 0.1f, 0), new Vector4 (1, 0, 0, 0), new Vector4 (1, 1, 0.1f, 0) }).Set ("modelview_transform", m_TransformationStack);
var sprite = new[] { new Vector3 (-1, -1, 0), new Vector3 (-1, 1, 0), new Vector3 (1, 1, 0), new Vector3 (1, -1, 0) };
var vdata_buffer = new BufferObject<Vector3> (sizeof(Vector3)) { Name = "vdata_buffer", Usage = BufferUsageHint.DynamicDraw, Data = sprite };
m_ParticleRenderingState = new ArrayObject (new VertexAttribute { AttributeName = "vertex_pos", Buffer = vdata_buffer, Size = 3, Type = VertexAttribPointerType.Float }, new VertexAttribute { AttributeName = "sprite_pos", Buffer = PositionBuffer, Divisor = 1, Size = 4, Stride = 0, Type = VertexAttribPointerType.Float }, new VertexAttribute { AttributeName = "sprite_colorandsize", Buffer = ColorAndSizeBuffer, Divisor = 1, Size = 4, Type = VertexAttribPointerType.Float });
m_ParticleRenderingProgram = new Program ("main_program", opentk.ShadingSetup.RenderPass.GetResourceShaders(string.Empty, GetType ().Namespace.Split ('.').Last ()).ToArray ());
m_SystemState = new State (null, m_ParticleRenderingState, m_ParticleRenderingProgram, m_UniformState);
var hnd = PositionBuffer.Handle;
hnd = ColorAndSizeBuffer.Handle;
m_DebugView = new opentk.QnodeDebug.QuadTreeDebug(10000, m_TransformationStack);
InitializeSystem();
PrepareState ();
}
protected override void PrepareStateCore()
{
m_DebugView = new opentk.QnodeDebug.QuadTreeDebug(2, TransformationStack);
}
