public override void Render(Camera camera)
{
UseShader("j3d");
//State Muckin'
GL.Enable(EnableCap.DepthTest);
//Clear any previously bound buffer
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
//Build a View Projection Matrix out of camera settings.
_viewProjMatrix = camera.GetViewProjMatrix();
/* Because the J3D models are very complex, we're going to
* allow them to completely render themselves, including
* binding buffers, enabling vertex attribs, etc. */
foreach (var renderable in _renderList)
{
renderable.Bind();
GL.VertexAttribPointer((int)ShaderAttributeIds.Position, 3, VertexAttribPointerType.Float, false, 9 * 4, 0);
GL.VertexAttribPointer((int)ShaderAttributeIds.Color, 4, VertexAttribPointerType.Float, false, 9 * 4, 3 * 4);
GL.VertexAttribPointer((int)ShaderAttributeIds.TexCoord, 2, VertexAttribPointerType.Float, false, 9 * 4, 7 * 4);
renderable.Draw(this);
}
GL.Flush();
}
public override void Render(Camera camera)
{
UseShader("debug");
//State Muckin'
GL.Enable(EnableCap.DepthTest);
//Clear any previously bound buffer
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
Matrix4 viewProjMatrix = camera.GetViewProjMatrix();
foreach (var meshType in _renderList)
{
//Bind the objects buffer, enable attribs and set layout.
meshType.Key.Bind();
GL.VertexAttribPointer((int)ShaderAttributeIds.Position, 3, VertexAttribPointerType.Float, false, 3 * 4, 0);
GL.EnableVertexAttribArray((int)ShaderAttributeIds.Position);
foreach (var instance in meshType.Value)
{
Matrix4 worldMatrix = Matrix4.CreateScale(instance.Scale) * Matrix4.CreateFromQuaternion(instance.Rotation) * Matrix4.CreateTranslation(instance.Position);
Matrix4 finalMatrix = worldMatrix * viewProjMatrix;
//Upload the WVP to the GPU
GL.UniformMatrix4(_currentShader.UniformMVP, false, ref finalMatrix);
//Upload this primitives color.
GL.Uniform3(_currentShader.UniformColor, new Vector3(instance.Color.X, instance.Color.Y, instance.Color.Z));
meshType.Key.Draw(this);
}
GL.DisableVertexAttribArray((int)ShaderAttributeIds.Position);
}
//Now draw all of our debug lines
//Upload the WVP to the GPU
GL.UniformMatrix4(_currentShader.UniformMVP, false, ref viewProjMatrix);
foreach (LineInstance instance in _lineRenderList)
{
//Bind the object buffer, enable attribs and set layout.
instance.Bind();
GL.VertexAttribPointer((int)ShaderAttributeIds.Position, 3, VertexAttribPointerType.Float, false, 3 * 4, 0);
GL.EnableVertexAttribArray((int)ShaderAttributeIds.Position);
//Upload the primitives color.
GL.Uniform3(_currentShader.UniformColor, new Vector3(instance.Color.X, instance.Color.Y, instance.Color.Z));
instance.Draw(this);
GL.DisableVertexAttribArray((int)ShaderAttributeIds.Position);
}
}
public abstract void Render(Camera camera);
