Add existing to tracked

2026-08-11 09:53:42 -04:00
parent afe07f3055
commit ffd6e3d73c
8531 changed files with 4396230 additions and 0 deletions
@@ -0,0 +1,26 @@
+uniform vec4 color;
+uniform float spacing;
+uniform float width;
+
+czm_material czm_getMaterial(czm_materialInput materialInput)
+{
+    czm_material material = czm_getDefaultMaterial(materialInput);
+
+    float distanceToContour = mod(materialInput.height, spacing);
+
+#if (__VERSION__ == 300 || defined(GL_OES_standard_derivatives))
+    float dxc = abs(dFdx(materialInput.height));
+    float dyc = abs(dFdy(materialInput.height));
+    float dF = max(dxc, dyc) * czm_pixelRatio * width;
+    float alpha = (distanceToContour < dF) ? 1.0 : 0.0;
+#else
+    // If no derivatives available (IE 10?), use pixel ratio
+    float alpha = (distanceToContour < (czm_pixelRatio * width)) ? 1.0 : 0.0;
+#endif
+
+    vec4 outColor = czm_gammaCorrect(vec4(color.rgb, alpha * color.a));
+    material.diffuse = outColor.rgb;
+    material.alpha = outColor.a;
+
+    return material;
+}