addInstance method

int addInstance(
  1. Matrix4 transform
)

Adds an instance placed by transform and returns its index.

The matrix is copied, so later mutating transform does not affect the instance; use setInstanceTransform to move it.

Implementation

int addInstance(Matrix4 transform) {
  _instances.add(transform.clone());
  _boundsDirty = true;
  return _instances.length - 1;
}