add loading from json

shaders/spark.fragment

@@ -0,0 +1,8 @@
+#version 120
+varying vec2 fTexCoord;
+uniform sampler2D Texture;
+void main() {
+    vec4 col = texture2D(Texture, fTexCoord);
+    // простой аддитивный блёк
+    gl_FragColor = col;
+}

shaders/spark.vertex

@@ -0,0 +1,8 @@
+#version 120
+attribute vec3 vPosition;
+attribute vec2 vTexCoord;
+varying vec2 fTexCoord;
+void main() {
+    fTexCoord = vTexCoord;
+    gl_Position = gl_ModelViewProjectionMatrix * vec4(vPosition, 1.0);
+}