【model move】监听帧
view.clock.onTick.addEventListener((clock)=>{if(flag.moveUp){if(flag.moveLeft){hpRoll.heading -= radian;}if(flag.moveRight){hpRoll.heading += radian;}moveCar(true);}if(flag.moveDown){if(flag.moveLeft){hpRoll.heading -= radian;}if(flag.moveRight){hpRoll.heading += radian;}moveCar(false);}});// 移动小车function moveCar(isUP) {// 计算速度矩阵if(isUP>0){speedVector = Cesium.Cartesian3.multiplyByScalar(Cesium.Cartesian3.UNIT_X,speed,speedVector);}else{speedVector = Cesium.Cartesian3.multiplyByScalar(Cesium.Cartesian3.UNIT_X,-speed,speedVector);}// 根据速度计算出下一个位置的坐标position = Cesium.Matrix4.multiplyByPoint(carPrimitive.modelMatrix ,speedVector, position);// 小车移动Cesium.Transforms.headingPitchRollToFixedFrame(position, hpRoll, Cesium.Ellipsoid.WGS84, fixedFrameTransforms, carPrimitive.modelMatrix);}
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完整代码
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