62 lines
1.7 KiB
TypeScript
62 lines
1.7 KiB
TypeScript
|
const {ccclass,property} = cc._decorator;
|
||
|
|
|
||
|
|
@ccclass
|
||
|
|
export default class ShaderTime extends cc.Component
|
||
|
|
{
|
||
|
|
/**记录时间 */
|
||
|
|
private time: number;
|
||
|
|
private sprite: cc.Sprite;
|
||
|
|
/**精灵上的材质 */
|
||
|
|
private material: any;
|
||
|
|
/**增加还是减少 */
|
||
|
|
private IsAdd: boolean;
|
||
|
|
|
||
|
|
/**速度 */
|
||
|
|
@property({type: cc.Float,tooltip: "速度"})
|
||
|
|
speed = 1.0;
|
||
|
|
|
||
|
|
/**是否循环 */
|
||
|
|
@property({tooltip: "是否循环"})
|
||
|
|
isLoop: boolean = false;
|
||
|
|
|
||
|
|
/**是否设置UV到effect(解决动态合图的bug) */
|
||
|
|
@property({tooltip: "是否设置UV到effect(解决动态合图的bug)"})
|
||
|
|
isSetUv: boolean = false;
|
||
|
|
|
||
|
|
start()
|
||
|
|
{
|
||
|
|
this.time = 0;
|
||
|
|
this.IsAdd = true;
|
||
|
|
this.sprite = this.node.getComponent(cc.Sprite);
|
||
|
|
this.material = this.sprite.getMaterial(0); //获取材质
|
||
|
|
}
|
||
|
|
|
||
|
|
update(dt)
|
||
|
|
{
|
||
|
|
this.material.setProperty("u_time",this.time); //设置材质对应的属性
|
||
|
|
(this.isLoop && !this.IsAdd) ? this.time -= dt * this.speed : this.time += dt * this.speed;
|
||
|
|
if(this.isSetUv)
|
||
|
|
{ //传递UV 参数到 effect
|
||
|
|
let frame = this.sprite.spriteFrame as any;
|
||
|
|
let l = 0,r = 0,b = 1,t = 1;
|
||
|
|
l = frame.uv[0];
|
||
|
|
t = frame.uv[5];
|
||
|
|
r = frame.uv[6];
|
||
|
|
b = frame.uv[3];
|
||
|
|
let u_UVoffset = new cc.Vec4(l,t,r,b);
|
||
|
|
let u_rotated = frame.isRotated() ? 1.0 : 0.0;
|
||
|
|
this.material.setProperty("u_UVoffset",u_UVoffset);
|
||
|
|
this.material.setProperty("u_rotated",u_rotated);
|
||
|
|
}
|
||
|
|
cc.log(this.time);
|
||
|
|
if(this.time > 1.5)
|
||
|
|
{
|
||
|
|
this.IsAdd = false;
|
||
|
|
}
|
||
|
|
else if(this.time < -0.5)
|
||
|
|
{
|
||
|
|
this.IsAdd = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|