private void Render()
{
// Clear
m_Rasterizer.Clear(ClearMask.COLOR | ClearMask.DEPTH);
// View
m_Rasterizer.SetView(m_Camera.transform.worldToLocalMatrix);
// Projection
if (m_Camera.orthographic)
{
Matrix4x4 orthographicProjection = m_Rasterizer.Orthographic(m_Camera.nearClipPlane, m_Camera.farClipPlane, m_Camera.orthographicSize * 2, m_Camera.aspect);
m_Rasterizer.SetProjection(orthographicProjection);
}
else
{
Matrix4x4 perspectiveProjection = m_Rasterizer.Perspective(m_Camera.nearClipPlane, m_Camera.farClipPlane, m_Camera.fieldOfView, m_Camera.aspect);
m_Rasterizer.SetProjection(perspectiveProjection);
}
Global.ambientColor = new Color(0.212f, 0.227f, 0.259f);
// 使用Blinn Phong Shader
m_Rasterizer.SetShader(m_BlinnPhongShader);
m_BlinnPhongShader.viewPos = m_Camera.transform.position;
foreach (var model in m_Models)
{
// Blinn Phong光照模型需要的参数
m_BlinnPhongShader.albedoMap = model.modelProperty.albedo;
m_BlinnPhongShader.normalMap = model.modelProperty.normal;
m_BlinnPhongShader.ka = model.modelProperty.ka;
m_BlinnPhongShader.kd = model.modelProperty.kd;
m_BlinnPhongShader.ks = model.modelProperty.ks;
m_Rasterizer.BindVertexBuffer(model.vertexBufferHandle);
m_Rasterizer.BindIndexBuffer(model.indexBufferHandle);
m_Rasterizer.SetModel(model.mesh.transform.localToWorldMatrix);
m_Rasterizer.DrawElements(PrimitiveType.TRIANGLES);
}
}
