public Raycaster pickingRay(Vector3 vector, Camera camera) {
vector.z = -1.0f;
Vector3 end = new Vector3(vector.x, vector.y, 1.0f);
unprojectVector(vector, camera);
unprojectVector(end, camera);
end.sub(vector).normalize();
return new Raycaster(vector, end);
}
public Vector3 unprojectVector(Vector3 vector, Camera camera) {
camera.projectionMatrix.getInverse(camera.projectionMatrix);
viewProjectionMatrix.multiplyMatrices(camera.matrixWorld, camera.projectionMatrixInverse);
return vector.applyProjection(viewProjectionMatrix);
}
private void projectObject(Object3D parent) {
for (Object3D object : parent.children) {
if (object.visible == false) continue;
if (object instanceof Light) {
renderData.lights.add((Light) object);
} else if (object instanceof Mesh || object instanceof Line) {
if (object.frustumCulled == false || frustum.intersectObject(object) == true) {
this.object = getNextObjectInPool();
this.object.object = object; // TODO fix casting here.
if (object.renderDepth != Float.NaN) {
this.object.z = object.renderDepth;
} else {
vector3.getPositionFromMatrix(object.matrixWorld);
vector3.applyProjection(viewProjectionMatrix);
this.object.z = vector3.z;
}
renderData.objects.add(this.object);
}
} else if (object instanceof Sprite || object instanceof Particle) {
this.object = getNextObjectInPool();
this.object.object = object;
if (object.renderDepth != Float.NaN) {
this.object.z = object.renderDepth;
} else {
vector3.getPositionFromMatrix(object.matrixWorld);
vector3.applyProjection(viewProjectionMatrix);
this.object.z = vector3.z;
}
renderData.sprites.add(this.object);
} else {
this.object = getNextObjectInPool();
this.object.object = object;
if (object.renderDepth != Float.NaN) {
this.object.z = object.renderDepth;
} else {
vector3.getPositionFromMatrix(object.matrixWorld);
vector3.applyProjection(viewProjectionMatrix);
this.object.z = vector3.z;
}
}
}
projectObject(object);
}