Function trsToMat4

src/world/prefab.ts:168–179

(t: TransformData)

// imported from `./loader.ts`) to keep the dependency graph flat — prefab is
// used *by* the loader, not the other way around.
function trsToMat4(t: TransformData): Mat4 {
  const pos: Vec3 = { x: t.position[0], y: t.position[1], z: t.position[2] };
  const scl: Vec3 = { x: t.scale[0], y: t.scale[1], z: t.scale[2] };

  let m = mat4Identity();
  m = mat4Translate(m, pos);
  m = mat4RotateZ(m, t.rotation[2]);
  m = mat4RotateY(m, t.rotation[1]);
  m = mat4RotateX(m, t.rotation[0]);
  m = mat4Scale(m, scl);
  return m;
}

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