diff options
Diffstat (limited to 'client/shaders/nodes_shader/opengl_vertex.glsl')
| -rw-r--r-- | client/shaders/nodes_shader/opengl_vertex.glsl | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/client/shaders/nodes_shader/opengl_vertex.glsl b/client/shaders/nodes_shader/opengl_vertex.glsl index ff310cc2f..07684f616 100644 --- a/client/shaders/nodes_shader/opengl_vertex.glsl +++ b/client/shaders/nodes_shader/opengl_vertex.glsl @@ -35,22 +35,39 @@ void main(void) #if (MATERIAL_TYPE == TILE_MATERIAL_LIQUID_TRANSPARENT || MATERIAL_TYPE == TILE_MATERIAL_LIQUID_OPAQUE) && ENABLE_WAVING_WATER
vec4 pos = gl_Vertex;
pos.y -= 2.0;
- pos.y -= sin (pos.z/WATER_WAVE_LENGTH + animationTimer * WATER_WAVE_SPEED * WATER_WAVE_LENGTH) * WATER_WAVE_HEIGHT
- + sin ((pos.z/WATER_WAVE_LENGTH + animationTimer * WATER_WAVE_SPEED * WATER_WAVE_LENGTH) / 7.0) * WATER_WAVE_HEIGHT;
+
+ float posYbuf = (pos.z / WATER_WAVE_LENGTH + animationTimer * WATER_WAVE_SPEED * WATER_WAVE_LENGTH);
+
+ pos.y -= sin(posYbuf) * WATER_WAVE_HEIGHT + sin(posYbuf / 7.0) * WATER_WAVE_HEIGHT;
gl_Position = mWorldViewProj * pos;
#elif MATERIAL_TYPE == TILE_MATERIAL_WAVING_LEAVES && ENABLE_WAVING_LEAVES
vec4 pos = gl_Vertex;
vec4 pos2 = mWorld * gl_Vertex;
- pos.x += (smoothTriangleWave(animationTimer*10.0 + pos2.x * 0.01 + pos2.z * 0.01) * 2.0 - 1.0) * 0.4;
- pos.y += (smoothTriangleWave(animationTimer*15.0 + pos2.x * -0.01 + pos2.z * -0.01) * 2.0 - 1.0) * 0.2;
- pos.z += (smoothTriangleWave(animationTimer*10.0 + pos2.x * -0.01 + pos2.z * -0.01) * 2.0 - 1.0) * 0.4;
+
+ /*
+ * Mathematic optimization: pos2.x * A + pos2.z * A (2 multiplications + 1 addition)
+ * replaced with: (pos2.x + pos2.z) * A (1 addition + 1 multiplication)
+ * And bufferize calcul to a float
+ */
+ float pos2XpZ = pos2.x + pos2.z;
+
+ pos.x += (smoothTriangleWave(animationTimer*10.0 + pos2XpZ * 0.01) * 2.0 - 1.0) * 0.4;
+ pos.y += (smoothTriangleWave(animationTimer*15.0 + pos2XpZ * -0.01) * 2.0 - 1.0) * 0.2;
+ pos.z += (smoothTriangleWave(animationTimer*10.0 + pos2XpZ * -0.01) * 2.0 - 1.0) * 0.4;
gl_Position = mWorldViewProj * pos;
#elif MATERIAL_TYPE == TILE_MATERIAL_WAVING_PLANTS && ENABLE_WAVING_PLANTS
vec4 pos = gl_Vertex;
vec4 pos2 = mWorld * 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;
+ /*
+ * Mathematic optimization: pos2.x * A + pos2.z * A (2 multiplications + 1 addition)
+ * replaced with: (pos2.x + pos2.z) * A (1 addition + 1 multiplication)
+ * And bufferize calcul to a float
+ */
+ float pos2XpZ = pos2.x + pos2.z;
+
+ pos.x += (smoothTriangleWave(animationTimer * 20.0 + pos2XpZ * 0.1) * 2.0 - 1.0) * 0.8;
+ pos.y -= (smoothTriangleWave(animationTimer * 10.0 + pos2XpZ * -0.5) * 2.0 - 1.0) * 0.4;
}
gl_Position = mWorldViewProj * pos;
#else
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