public void testProj3() {
Camera camera = new Camera();
camera.lookAt(0, 0, -30, 0, 0, 0);
camera
.getFrustrum()
.setPerspectiveProjection(90, Frustrum.FovType.AUTO_FIT, 0.1f, 10, 1080, 1920);
TouchToRay touchToRay = new TouchToRay(1080, 1920);
Ray ray = touchToRay.getRay(camera, 540, 960);
ray.getOrigin(mOrigin);
ray.getDirection(mDirection);
assertEquals(-29.9f, mOrigin.z, FloatUtil.EPS);
assertTrue(mDirection.equals(new Vec3(0, 0, 1)));
}
public void testOrtho2() {
AndroidRenderNode androidRenderNode = new AndroidRenderNode(1080, 1920);
Camera camera = androidRenderNode.findCamera();
TouchToRay touchToRay = new TouchToRay(1080, 1920);
Ray ray = touchToRay.getRay(camera, 0, 960);
float left = camera.getFrustrum().getLeft();
float near = camera.getFrustrum().getNear();
/** Touch at left/center. The ray should strike the left frustrum plane. */
Vec3 rayDirection = new Vec3();
Vec3.createVecFromPoints(new Vec3(0, 0, 0), new Vec3(left, 0, -near), rayDirection);
rayDirection.norm();
ray.getOrigin(mOrigin);
ray.getDirection(mDirection);
assertEquals(2.9f, mOrigin.z, FloatUtil.EPS);
assertTrue(mDirection.equals(rayDirection));
}
public void testProj4() {
Camera camera = new Camera();
camera.lookAt(0, 0, 3, 0, 0, -1);
camera
.getFrustrum()
.setPerspectiveProjection(90, Frustrum.FovType.AUTO_FIT, 0.1f, 10, 1080, 1920);
TouchToRay touchToRay = new TouchToRay(1080, 1920);
Ray ray = touchToRay.getRay(camera, 0, 960);
float left = camera.getFrustrum().getLeft();
float near = camera.getFrustrum().getNear();
/** Touch at left/center. The ray should strike the left frustrum plane. */
Vec3 rayDirection = new Vec3();
Vec3.createVecFromPoints(new Vec3(0, 0, 0), new Vec3(left, 0, -near), rayDirection);
rayDirection.norm();
ray.getOrigin(mOrigin);
ray.getDirection(mDirection);
assertEquals(2.9f, mOrigin.z, FloatUtil.EPS);
assertTrue(mDirection.equals(rayDirection));
}