public void Render(ref Matrix4 projection, ShaderProgram program)
{
this.SetupShaderProgram(program, ref projection);
this.Flush();
GL.BindVertexArray(this.vba);
this.context.BindVertexBuffer(this.vertexBuffer);
GL.DrawArrays(BeginMode.Points, 0, this.elementCount);
this.elementCount = 0;
}
public void Render(ref Matrix4 projection, ShaderProgram program)
{
this.SetupShaderProgram(program, ref projection);
this.Flush();
GL.BindVertexArray(this.vba);
this.context.BindIndexBuffer(indexBuffer);
this.context.BindVertexBuffer(this.vertexBuffer);
this.context.DrawElements(BeginMode.Triangles, this.elementCount * 6, DrawElementsType.UnsignedInt, 0);
this.elementCount = 0;
}
protected override void Load(EntityGUI.GUIFactory factory)
{
this.particleProgram = this.Resourses.LoadAsset<ShaderProgram>("Sin.effect");
this.Panel.BackgroundColor = Color.Gray;
this.Panel.MouseDown += new EventHandler<EntityGUI.MouseButtonEventArgs>(Panel_MouseDown);
this.Panel.MouseMove +=new EventHandler<EntityGUI.MouseMoveEventArgs>(Panel_MouseMove);
particleAtlas = this.Resourses.LoadAsset<TextureAtlas>("Atlases\\Particles.atlas");
this.systems = new ParticleSystem[10];
this.emiters = new Emiter2D[10];
this.Panel_MouseDown(null, null);
}
private void SetupShaderProgram(ShaderProgram program, ref Matrix4 projection)
{
this.context.UseShaderProgram(program);
program.SetUniform("projection_matrix", ref projection);
int posIndex = program.GetAttributeLocation("in_position");
int coloIndex = program.GetAttributeLocation("in_tint");
GL.BindVertexArray(this.vba);
this.context.BindVertexBuffer(this.vertexBuffer);
this.context.EnableVertexAttribArray(posIndex);
this.context.EnableVertexAttribArray(coloIndex);
this.context.VertexAttribPointer(posIndex, 2, VertexAttribPointerType.Float,
true, this.vertecies[0].SizeInBytes, 0);
this.context.VertexAttribPointer(coloIndex, 4, VertexAttribPointerType.UnsignedByte,
true, this.vertecies[0].SizeInBytes, Vector2.SizeInBytes);
GL.BindVertexArray(0);
}