public static float2 ViewPortPointToNearClipPoint(CameraMatrices cameraMatrices, float2 viewportPoint)
{
var modelViewMat = math.mul(cameraMatrices.view, float4x4.identity);
var mvpMat = math.mul(cameraMatrices.projection, modelViewMat);
var inverseMvpMat = math.inverse(mvpMat);
var position = new float4(viewportPoint.x, viewportPoint.y, k_NearClip, 1f);
position = math.mul(inverseMvpMat, position);
if (position.w == 0f)
{
return(float2.zero);
}
position.w = 1f / position.w;
position.x *= position.w;
position.y *= position.w;
position.z *= position.w;
return(position.xy);
}
private static bool IsCulled(float3 center, float radius, ref CameraMatrices cameraMatrices)
{
ref var frustum = ref cameraMatrices.frustum;
