diff options
| -rw-r--r-- | scene.cpp | 4 | ||||
| -rw-r--r-- | shaders/water_fragment.glsl | 3 |
2 files changed, 6 insertions, 1 deletions
@@ -440,6 +440,10 @@ void Scene::render() { chunk_pos = glGetUniformLocation(water_program.get_program(), "chunk_pos"); player_pos = glGetUniformLocation(water_program.get_program(), "player_pos"); glUniform3f(player_pos, pos.x, pos.y, pos.z); + GLint t_pos = glGetUniformLocation(water_program.get_program(), "t"); + static float t = 0.0; + t += 0.00002 * steps; + glUniform1f(t_pos, t); for(std::list<Terrain::Chunk*>::iterator it = terrain->chunks.begin(); it != terrain->chunks.end(); it++) { Terrain::Chunk *chunk = *it; diff --git a/shaders/water_fragment.glsl b/shaders/water_fragment.glsl index 857a500..150f071 100644 --- a/shaders/water_fragment.glsl +++ b/shaders/water_fragment.glsl @@ -3,9 +3,10 @@ varying vec3 pos; uniform vec3 player_pos; uniform sampler2D tex; +uniform float t; void main() { - gl_FragColor = texture2D(tex, gl_TexCoord[0].st) - vec4(.2, .2, 0, 0); + gl_FragColor = texture2D(tex, gl_TexCoord[0].st + vec2(t, t)) - vec4(.2, .2, 0, 0); gl_FragColor = mix(gl_FragColor, gl_Fog.color, pow(length(player_pos - pos)/100, 5)); gl_FragColor.a = 0.7; } |