public void OnDrawFrame(IGL10 gl)
{
// Move
ShellViewModel.Animate();
mLightDir[0] = -0.5f; mLightDir[1] = -1.0f; mLightDir[2] = -0.5f; // in left-handed region
Vector.normalize(mLightDir);
mRT["screen"].switchTargetFrameBuffer();
GLES20.GlClear(GL10.GlColorBufferBit | GL10.GlDepthBufferBit);
////////////////////////////////////////////////////////////////////
//// draw models
ShellViewModel.LockWith(() => {
foreach (var shell in ShellViewModel.Shells)
{
if (shell.Loaded)
{
foreach (var rs in shell.RenderSets)
{
mRT[rs.target].switchTargetFrameBuffer();
GLSL glsl = mGLSL[rs.shader];
GLES20.GlUseProgram(glsl.mProgram);
// Projection Matrix
GLES20.GlUniformMatrix4fv(glsl.muPMatrix, 1, false, ShellViewModel.ProjectionMatrix, 0);
// LightPosition
GLES20.GlUniform3fv(glsl.muLightDir, 1, mLightDir, 0);
bindBuffer(shell.Surface, glsl);
if (!rs.shader.EndsWith("alpha"))
{
drawNonAlpha(shell.Surface, glsl);
drawAlpha(shell.Surface, glsl, false);
}
else
{
drawAlpha(shell.Surface, glsl, true);
}
}
}
}
});
GLES20.GlFlush();
checkGlError(TAG);
}
