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Review some shaders to work on GLSL 100

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Tested on Raspberry Pi... Just note that platform is very limited by GPU...
This commit is contained in:
raysan5
2019-12-04 19:52:53 +01:00
parent ff499fe57d
commit 3aad221b1e
4 changed files with 40 additions and 23 deletions
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8
examples/shaders/resources/shaders/glsl100/cubes_panning.fs
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@ -7,8 +7,8 @@ varying vec2 fragTexCoord;
varying vec4 fragColor;
// Custom variables
#define PI 3.14159265358979323846
uniform float uTime = 0.0;
const float PI = 3.14159265358979323846;
uniform float uTime;
float divisions = 5.0;
float angle = 0.0;
@ -19,9 +19,9 @@ vec2 VectorRotateTime(vec2 v, float speed)
float localTime = fract(time); // The time domain this works on is 1 sec.
if ((localTime >= 0.0) && (localTime < 0.25)) angle = 0.0;
else if ((localTime >= 0.25) && (localTime < 0.50)) angle = PI/4*sin(2*PI*localTime - PI/2);
else if ((localTime >= 0.25) && (localTime < 0.50)) angle = PI/4.0*sin(2.0*PI*localTime - PI/2.0);
else if ((localTime >= 0.50) && (localTime < 0.75)) angle = PI*0.25;
else if ((localTime >= 0.75) && (localTime < 1.00)) angle = PI/4*sin(2*PI*localTime);
else if ((localTime >= 0.75) && (localTime < 1.00)) angle = PI/4.0*sin(2.0*PI*localTime);
// Rotate vector by angle
v -= 0.5;