private static Matrix4x4 CalculateObliqueMatrix(Matrix4x4 projection, Vector4 clipPlane)
{
Vector4 b = projection.inverse * new Vector4(Floor_ReflectionScriptCamera.sgn(clipPlane.x), Floor_ReflectionScriptCamera.sgn(clipPlane.y), 1f, 1f);
Vector4 vector = clipPlane * (2f / Vector4.Dot(clipPlane, b));
projection[2] = vector.x - projection[3];
projection[6] = vector.y - projection[7];
projection[10] = vector.z - projection[11];
projection[14] = vector.w - projection[15];
return(projection);
}
private void RenderReflectionFor(Camera cam, Camera reflectCamera)
{
if (!reflectCamera)
{
return;
}
this.SaneCameraSettings(reflectCamera);
reflectCamera.backgroundColor = this.clearColor;
GL.invertCulling = false;
Transform transform = this.reflectiveSurfaceHeight;
Vector3 eulerAngles = cam.transform.eulerAngles;
reflectCamera.transform.eulerAngles = new Vector3(-eulerAngles.x, eulerAngles.y, eulerAngles.z);
reflectCamera.transform.position = cam.transform.position;
Vector3 position = transform.transform.position;
position.y = transform.position.y;
Vector3 up = transform.transform.up;
float w = -Vector3.Dot(up, position) - this.clipPlaneOffset;
Vector4 plane = new Vector4(up.x, up.y, up.z, w);
Matrix4x4 matrix4x = Matrix4x4.zero;
matrix4x = Floor_ReflectionScriptCamera.CalculateReflectionMatrix(matrix4x, plane);
this.oldpos = cam.transform.position;
Vector3 position2 = matrix4x.MultiplyPoint(this.oldpos);
reflectCamera.worldToCameraMatrix = cam.worldToCameraMatrix * matrix4x;
Vector4 clipPlane = this.CameraSpacePlane(reflectCamera, position, up, 1f);
Matrix4x4 matrix4x2 = cam.projectionMatrix;
matrix4x2 = Floor_ReflectionScriptCamera.CalculateObliqueMatrix(matrix4x2, clipPlane);
reflectCamera.projectionMatrix = matrix4x2;
reflectCamera.transform.position = position2;
Vector3 eulerAngles2 = cam.transform.eulerAngles;
reflectCamera.transform.eulerAngles = new Vector3(-eulerAngles2.x, eulerAngles2.y, eulerAngles2.z);
reflectCamera.RenderWithShader(this.replacementShader, "Reflection");
GL.invertCulling = false;
}
