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线贴图 速度相同 切换有问题

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This commit is contained in:
夏大胆
2025-07-14 18:05:19 +08:00
parent c03cd63532
commit f24a95ab32
12 changed files with 38 additions and 16 deletions
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12
src/Obj/Materail/LineTextureMaterialProperty.js
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@ -12,7 +12,7 @@ function LineTexture() {
this.image = options.image || "";
this.color = new Cesium.Color.fromCssColorString(options.color || "rgba(255,255,255,1)");
this.speed = options.speed != undefined ? options.speed : 1.0;
this.repeat = options.repeat || 1.0;
this.repeat = options.repeat || new Cesium.Cartesian2(1.0, 1.0);
}
get isConstant() {
@ -52,7 +52,7 @@ function LineTexture() {
result.repeat = Cesium.Property.getValueOrDefault(
this._repeat,
time,
1.0,
new Cesium.Cartesian2(1.0, 1.0),
result.repeat
);
result.frameNumber = Cesium.getTimestamp();
@ -85,14 +85,14 @@ function LineTexture() {
uniform vec4 color;
uniform sampler2D image;
uniform float speed;
uniform float repeat;
// uniform float repeat;
czm_material czm_getMaterial(czm_materialInput materialInput)
{
czm_material material = czm_getDefaultMaterial(materialInput);
vec2 st = materialInput.st;
st.s *= repeat; // 关键：通过repeat控制纹理密度
st.s *= repeat.x; // 关键：通过repeat控制纹理密度
// vec4 colorImage = texture2D(image, vec2(fract(st.s + speed*czm_frameNumber* 0.01), st.t));
vec4 colorImage = speed==0.0?texture2D(image, vec2(fract(st.s), st.t)):texture2D(image, vec2(fract(st.s + frameNumber / 1000.0 / speed * repeat ), st.t));
vec4 colorImage = speed==0.0?texture2D(image, vec2(fract(st.s), st.t)):texture2D(image, vec2(fract(st.s + frameNumber / 1000.0 / speed * repeat.x / repeat.y ), st.t));
material.alpha = colorImage.a * color.a;
material.diffuse = color.rgb;
return material;
@ -106,7 +106,7 @@ function LineTexture() {
uniforms: {
color: new Cesium.Color(1.0, 1.0, 1.0, 1.0),
image: '',
repeat: 1.0,
repeat: new Cesium.Cartesian2(1.0, 1.0),
speed: 1.0,
frameNumber: Cesium.getTimestamp(),
uTime: 1