public FVec4 Project(FMat4 projectionMatrix, FMat4 viewMatrix, Fix64 viewX, Fix64 viewY, Fix64 viewWidth, Fix64 viewHeight)
{
FVec4 result = this;
result = result.Multiply(viewMatrix);
result = result.Multiply(projectionMatrix);
Fix64 wDelta = Fix64.One / result.w;
result.x *= wDelta;
result.y *= wDelta;
result.z *= wDelta;
result.x = result.x * Fix64.Half + Fix64.Half;
result.y = result.y * Fix64.Half + Fix64.Half;
result.z = result.z * Fix64.Half + Fix64.Half;
result.x = result.x * viewWidth + viewX;
result.y = result.y * viewHeight + viewY;
return(result);
}
