// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Project a point into an orthographic plan
// Not compiled or tested in-world
// Setup: Use a spare owned prim. Set camera pose, view width/height and point. Touch for private calculations.
// Stop / restore: Disable/remove. No camera or object settings are changed.
// Notes: Depth is reported separately and does not affect projected size.
// License: see LICENSE in this distribution.
// Original Incoprea. MIT. Transform planning only.
vector CAMERA=ZERO_VECTOR;
vector CAMERA_EULER=<0.0,0.0,0.0>;
vector POINT=<10.0,-2.0,1.0>;
float WIDTH=8.0;
float HEIGHT=6.0;
default
{
    touch_start(integer detectedCount)
    {
        if(llDetectedKey(0)!=llGetOwner())return;
        if(WIDTH<=0.0||HEIGHT<=0.0)
        {
            llOwnerSay("Positive view size required.");
            return;
        }
        vector p=(POINT-CAMERA)/llEuler2Rot(CAMERA_EULER*DEG_TO_RAD);
        llOwnerSay("ScreenUV="+(string)<0.5-p.y/WIDTH,0.5-p.z/HEIGHT,0.0>+" depth="+(string)p.x);
    }
}