mdx-m3-viewer
Version:
A browser WebGL model viewer. Mainly focused on models of the games Warcraft 3 and Starcraft 2.
43 lines • 1.86 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
// Heap allocations needed for this module.
const visibilityHeap = new Float32Array(1);
/**
* An attachment instance.
*/
class AttachmentInstance {
constructor(instance, attachment) {
const internalModel = attachment.internalModel;
const internalInstance = internalModel.addInstance();
internalInstance.setSequenceLoopMode(2);
internalInstance.dontInheritScaling = false;
internalInstance.hide();
internalInstance.setParent(instance.nodes[attachment.objectId]);
this.instance = instance;
this.attachment = attachment;
this.internalInstance = internalInstance;
}
update() {
const instance = this.instance;
const internalInstance = this.internalInstance;
if (instance.scene && instance.sequence !== -1) {
this.attachment.getVisibility(visibilityHeap, instance.sequence, instance.frame, instance.counter);
if (visibilityHeap[0] > 0.1) {
// The parent instance might not actually be in a scene.
// This happens if loading a local model, where loading is instant and adding to a scene always comes afterwards.
// Therefore, do it here dynamically.
instance.scene.addInstance(internalInstance);
if (internalInstance.hidden()) {
internalInstance.show();
// Every time the attachment becomes visible again, restart its first sequence.
internalInstance.setSequence(0);
}
}
else {
internalInstance.hide();
}
}
}
}
exports.default = AttachmentInstance;
//# sourceMappingURL=attachmentinstance.js.map