public Wheel(GameManager base, Vector3 location, String type) {
this.base = base;
// If there is no wheel constructor, set it up
if (this.base.world.getConstructor("wheel" + type) == null) {
modelLoader = new G3dModelLoader(new JsonReader());
if (type == "bigtruck")
wheelData =
modelLoader.loadModelData(
Gdx.files.internal("data/vehicles/wheels/bigtruckwheel.g3dj"));
else
wheelData =
modelLoader.loadModelData(Gdx.files.internal("data/vehicles/wheels/policewheel.g3dj"));
wheelModel = new Model(wheelData, new TextureProvider.FileTextureProvider());
wheelHalfExtents =
wheelModel.calculateBoundingBox(new BoundingBox()).getDimensions(new Vector3()).scl(0.5f);
this.base.world.addConstructor("wheel" + type, new BulletConstructor(wheelModel, 0f, null));
this.base.disposables.add(wheelModel);
wheel = this.base.world.add("wheel" + type, location.x, location.y, location.z);
} else {
wheel = this.base.world.add("wheel" + type, location.x, location.y, location.z);
wheelHalfExtents =
wheel
.modelInstance
.model
.calculateBoundingBox(new BoundingBox())
.getDimensions(new Vector3())
.scl(0.5f);
}
}
protected void calculateBoundingBox(final BoundingBox out, final Node node) {
for (final NodePart mpm : node.parts)
mpm.meshPart.mesh.calculateBoundingBox(
out, mpm.meshPart.indexOffset, mpm.meshPart.numVertices, node.globalTransform);
for (final Node child : node.children) calculateBoundingBox(out, child);
}
/**
* Extends the bounding box with the bounds of this model instance. This is a potential slow
* operation, it is advised to cache the result.
*/
public BoundingBox extendBoundingBox(final BoundingBox out) {
for (final Node node : nodes) calculateBoundingBox(out, node);
return out;
}
/** Creates a btBoxShape with the same dimensions as the shape. */
public BulletConstructor(final Model model, final float mass) {
final BoundingBox boundingBox = new BoundingBox();
model.calculateBoundingBox(boundingBox);
create(model, mass, boundingBox.getWidth(), boundingBox.getHeight(), boundingBox.getDepth());
}