需要以下的修改:
31 行:
1
scene.add( cube ;
改成
scene.add( cube );
67 行:
/ draw the coordinate grid
// draw the coordinate grid
69 行:
Coordinates.drawGrid(size:1000,scale:0.01, orientation:"y"});
Coordinates.drawGrid({size:1000,scale:0.01, orientation:"y"});