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修改间距大值 缓冲区bug

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This commit is contained in:
夏大胆
2025-07-09 11:26:33 +08:00
parent dd003aa00d
commit 45f2d6f4eb
8 changed files with 54 additions and 36 deletions
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22
src/Obj/Materail/FlowDashedLineFlowMaterialProperty.js
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@ -12,7 +12,7 @@ function FlowDashedLine() {
this._dashSize = undefined;
this.color = new Cesium.Color.fromCssColorString(options.color || "rgba(255,255,255,1)");
this.speed = options.speed != undefined ? options.speed : 1.0;//速度
this.space = options.space || 0.01;//速度
this.space = options.space || 0.0;//速度
this.dashSize = options.dashSize || 0.03;//速度
this.uType = options.uType === undefined ? 1 : options.uType;//类型：0：普通流动线 1：虚化虚线
this.lineBackAlpha = options.lineBackAlpha || 0.05;
@ -105,15 +105,16 @@ function FlowDashedLine() {
czm_material material = czm_getDefaultMaterial(materialInput);
vec2 st = materialInput.st;
// 计算流动虚线
float dashSize = 0.03;
// float gapSize = 0.01;
// float dashSize = dashSize;
float dashSize = 0.1;
float gapSize = space;
float progress = fract(speed * czm_frameNumber * 0.01); // 时间控制流动
float pattern = fract(st.x / (dashSize + gapSize) + progress);
float dash1 = step(0.1, pattern) - step(0.9, pattern);
float dash2 = smoothstep(0.0, 0.4, pattern) - smoothstep(0.6, 1.0, pattern);
// speed现在表示完成一次完整动画循环的秒数
float progress = speed==0.0 ? 0.0 : fract(frameNumber / 1000.0 / speed);
float pattern = fract(st.x / dashSize * (1.0 + gapSize) + progress / dashSize * (1.0 + gapSize));
float dash1 = step(0.0, pattern) - step(1.0/(1.0 + gapSize), pattern);
float dash2 = smoothstep(0.0, 0.2, pattern) -
smoothstep(1.0/(1.0 + gapSize),
1.0/(1.0 + gapSize) + 0.2,
pattern);
float dash = (float(uType) != 1.0)?dash1:dash2;
material.alpha = dash;
material.diffuse = color.rgb;
@ -129,8 +130,9 @@ function FlowDashedLine() {
uniforms: {
color: new Cesium.Color(1.0, 1.0, 1.0, 1.0),
speed: 1,
space: 0.01,
space: 0.0,
dashSize: 0.03,
frameNumber: Cesium.getTimestamp(),
uType: 1,
lineBackAlpha: 0.05,
},