public checkCapacity (vertexCount: number, indexCount: number) {
const maxVertex = this.vertexOffset + vertexCount;
const maxIndex = this.indexOffset + indexCount;
if (maxVertex > this._initVDataCount || maxIndex > this._initIDataCount) {
return false;
}
return true;
}
传入的是顶点数,判断的是float32数量