cocos-enhance-kit/jsb-adapter/engine/assemblers/motion-streak.js

30 lines
851 B
JavaScript

let proto = cc.MotionStreak.__assembler__.MotionStreakAssembler.prototype;
let _init = proto.init;
let _update = proto.update;
cc.js.mixin(proto, {
init (comp) {
_init.call(this, comp);
this.setUseModel(false);
this.ignoreWorldMatrix();
this.ignoreOpacityFlag();
},
update (comp, dt) {
comp.node._updateWorldMatrix();
_update.call(this, comp, dt);
let { iData, usedVertices } = this._renderData._flexBuffer;
let indiceOffset = 0;
for (let i = 0, l = usedVertices; i < l; i += 2) {
iData[indiceOffset++] = i;
iData[indiceOffset++] = i + 2;
iData[indiceOffset++] = i + 1;
iData[indiceOffset++] = i + 1;
iData[indiceOffset++] = i + 2;
iData[indiceOffset++] = i + 3;
}
}
});