Changeset 12091 for data/branches/Shader_HS18/programs/Example/GLSL150/OldTV.glsl

Timestamp:

Nov 9, 2018, 1:06:05 PM (5 years ago)

Author:

wiesep

Message:

Updated programs and adjusted Material to work with GLSL>150

File:

• data/branches/Shader_HS18/programs/Example/GLSL150/OldTV.glsl (modified) (1 diff)

data/branches/Shader_HS18/programs/Example/GLSL150/OldTV.glsl

@@ -20 +20 @@
 void main()
 {
-   // Define a frame shape
-   float f = (1 - pos.x * pos.x) * (1 - pos.y * pos.y);
-   float frame = clamp(frameSharpness * (pow(f, frameShape) - frameLimit), 0.0, 1.0);
+    // Define a frame shape
+    float f = (1 - pos.x * pos.x) * (1 - pos.y * pos.y);
+    float frame = clamp(frameSharpness * (pow(f, frameShape) - frameLimit), 0.0, 1.0);
 
-   // Interference ... just a texture filled with rand()
-   float rand = texture(Rand, vec3(1.5 * pos.x, 1.5 * pos.y, time_0_X)).x - 0.2;
+    // Interference ... just a texture filled with rand()
+    float rand = texture(Rand, vec3(1.5 * pos.x, 1.5 * pos.y, time_0_X)).x - 0.2;
 
-   // Some signed noise for the distortion effect
-   float noisy = texture(Noise, vec3(0, 0.5 * pos.y, 0.1 * time_0_X)).x - 0.5;
+    // Some signed noise for the distortion effect
+    float noisy = texture(Noise, vec3(0, 0.5 * pos.y, 0.1 * time_0_X)).x - 0.5;
 
-   // Repeat a 1 - x^2 (0 < x < 1) curve and roll it with sinus.
-   float dst = fract(pos.y * distortionFreq + distortionRoll * sin_time_0_X);
-   dst *= (1 - dst);
-   // Make sure distortion is highest in the center of the image
-   dst /= 1 + distortionScale * abs(pos.y);
+    // Repeat a 1 - x^2 (0 < x < 1) curve and roll it with sinus.
+    float dst = fract(pos.y * distortionFreq + distortionRoll * sin_time_0_X);
+    dst *= (1 - dst);
+    // Make sure distortion is highest in the center of the image
+    dst /= 1 + distortionScale * abs(pos.y);
 
-   // ... and finally distort
-   vec2 inUv = oUv0;
-   inUv.x += distortionScale * noisy * dst;
-   vec4 image = texture(Image, inUv);
+    // ... and finally distort
+    vec2 inUv = oUv0;
+    inUv.x += distortionScale * noisy * dst;
+    vec4 image = texture(Image, inUv);
 
-   // Combine frame, distorted image and interference
-   fragColour = frame * (interference * rand + image);
+    // Combine frame, distorted image and interference
+    fragColour = frame * (interference * rand + image);
 }
-