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make joystick use camera pitch

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This commit is contained in:
Brian Beck 2026-02-11 23:52:10 -08:00
parent f814d71c53
commit 40724a49e6
22 changed files with 28 additions and 27 deletions
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13
src/components/TouchControls.tsx
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@ -163,19 +163,20 @@ export function TouchCameraMovement({
const joyX = Math.cos(angle); // right component
const joyY = Math.sin(angle); // forward component
// Get camera forward projected onto XZ ground plane
// Forward/backward: use full camera direction (including Y) so
// looking up and pushing forward moves upward, like ObserverControls.
camera.getWorldDirection(forwardVec.current);
forwardVec.current.y = 0;
forwardVec.current.normalize();
// Get camera right vector on XZ plane
sideVec.current.crossVectors(forwardVec.current, camera.up).normalize();
// Left/right: move along XZ plane
sideVec.current.crossVectors(camera.up, forwardVec.current).normalize();
// Combine: joyY pushes forward, joyX pushes right
// Combine: joyY pushes forward, joyX pushes right.
// sideVec points left (up × forward), so negate joyX.
moveVec.current
.set(0, 0, 0)
.addScaledVector(forwardVec.current, joyY)
.addScaledVector(sideVec.current, joyX);
.addScaledVector(sideVec.current, -joyX);
if (moveVec.current.lengthSq() > 0) {
moveVec.current.normalize().multiplyScalar(speed * delta);