diff options
Diffstat (limited to 'client/shaders/plants_shader/opengl_vertex.glsl')
| -rw-r--r-- | client/shaders/plants_shader/opengl_vertex.glsl | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/client/shaders/plants_shader/opengl_vertex.glsl b/client/shaders/plants_shader/opengl_vertex.glsl index c1bdd62a9..7987fc16d 100644 --- a/client/shaders/plants_shader/opengl_vertex.glsl +++ b/client/shaders/plants_shader/opengl_vertex.glsl @@ -1,43 +1,42 @@ -#version 120
-
uniform mat4 mWorldViewProj;
uniform mat4 mInvWorld;
uniform mat4 mTransWorld;
uniform float dayNightRatio;
uniform float animationTimer;
-uniform float enableWavingPlants;
-
uniform vec3 eyePosition;
varying vec3 vPosition;
varying vec3 eyeVec;
-float smoothCurve( float x ) {
- return x * x *( 3.0 - 2.0 * x );
-}
-float triangleWave( float x ) {
- return abs( fract( x + 0.5 ) * 2.0 - 1.0 );
-}
-float smoothTriangleWave( float x ) {
- return smoothCurve( triangleWave( x ) ) * 2.0 - 1.0;
-}
+#ifdef ENABLE_WAVING_PLANTS
+float smoothCurve( float x ) {
+ return x * x *( 3.0 - 2.0 * x );
+}
+float triangleWave( float x ) {
+ return abs( fract( x + 0.5 ) * 2.0 - 1.0 );
+}
+float smoothTriangleWave( float x ) {
+ return smoothCurve( triangleWave( x ) ) * 2.0 - 1.0;
+}
+#endif
void main(void)
{
gl_TexCoord[0] = gl_MultiTexCoord0;
- if (enableWavingPlants == 1.0){
- vec4 pos = gl_Vertex;
- vec4 pos2 = mTransWorld * gl_Vertex;
- if (gl_TexCoord[0].y < 0.05) {
- pos.x += (smoothTriangleWave(animationTimer * 20.0 + pos2.x * 0.1 + pos2.z * 0.1) * 2.0 - 1.0) * 0.8;
- pos.y -= (smoothTriangleWave(animationTimer * 10.0 + pos2.x * -0.5 + pos2.z * -0.5) * 2.0 - 1.0) * 0.4;
- }
- gl_Position = mWorldViewProj * pos;
+
+#ifdef ENABLE_WAVING_PLANTS
+ vec4 pos = gl_Vertex;
+ vec4 pos2 = mTransWorld * gl_Vertex;
+ if (gl_TexCoord[0].y < 0.05) {
+ pos.x += (smoothTriangleWave(animationTimer * 20.0 + pos2.x * 0.1 + pos2.z * 0.1) * 2.0 - 1.0) * 0.8;
+ pos.y -= (smoothTriangleWave(animationTimer * 10.0 + pos2.x * -0.5 + pos2.z * -0.5) * 2.0 - 1.0) * 0.4;
}
- else
- gl_Position = mWorldViewProj * gl_Vertex;
+ gl_Position = mWorldViewProj * pos;
+#else
+ gl_Position = mWorldViewProj * gl_Vertex;
+#endif
vPosition = (mWorldViewProj * gl_Vertex).xyz;
eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz;
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