3D Brush Painting in VR
A 3D brush painting sketch that uses depth control for VR-style experiences. mapLocation() converts screen-space mouse coordinates and a depth slider value directly into world-space positions, so each brush stroke is placed precisely in 3D. Press r to toggle recording, c to clear, f to re-focus the camera on the world origin. Screen-to-world mapping with mapLocation The core of the brush is a single mapLocation call that lifts the 2D mouse position — together with a depth value from the slider — into 3D world space each frame: ...