public static Position3D ProjectCanvasToSceneSystem(double canvasX, double canvasY, double canvasWidth, double canvasHeight, double nearPlaneDist, Matrix44D cameraFrame)
{
var(x, y) = ViewProjection.ProjectCanvasToCameraPlane(canvasX, canvasY, canvasWidth, canvasHeight);
var posCameraSystem = ViewProjection.ProjectCameraPlaneToCameraSystem(x, y, nearPlaneDist);
var posSceneSystem = ViewProjection.ProjectCameraSystemToSceneSystem(posCameraSystem, cameraFrame);
return(posSceneSystem);
}
public static Position3D ProjectCameraSystemToSceneSystem(this Position3D position, Matrix44D cameraFrame)
{
var scenePosition = cameraFrame * position;
return(scenePosition);
}
public static Position3D ProjectSceneSystemToCameraSystem(this Position3D position, Matrix44D cameraFrame)
{
var cameraPosition = cameraFrame.Inverse() * position;
return(cameraPosition);
}
public static (double canvasX, double canvasY) ProjectSceneSystemToCanvas(Position3D position, double canvasWidth, double canvasHeight, double nearPlaneDist, Matrix44D cameraFrame)
{
var cameraSystemPos = ProjectSceneSystemToCameraSystem(position, cameraFrame);
var(cameraPlaneX, cameraPlaneY) = ProjectCameraSystemToCameraPlane(cameraSystemPos, nearPlaneDist);
var(canvasX, canvasY) = ProjectCameraPlaneToCanvas(cameraPlaneX, cameraPlaneY, canvasWidth, canvasHeight);
return(canvasX, canvasY);
}