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Improved parallax mapping. Generate heightmaps on the fly.

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This commit is contained in:
RealBadAngel 2015-06-14 21:13:36 +02:00
parent d105bf27dd
commit 43fcfbfe05
11 changed files with 310 additions and 241 deletions
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17
client/shaders/water_surface_shader/opengl_vertex.glsl
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@ -18,20 +18,23 @@ varying vec3 tsLightVec;
const float e = 2.718281828459;
const float BS = 10.0;
float smoothCurve( float x ) {
return x * x *( 3.0 - 2.0 * x );
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 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;
float smoothTriangleWave(float x)
{
return smoothCurve(triangleWave( x )) * 2.0 - 1.0;
}
void main(void)
{
gl_TexCoord[0] = gl_MultiTexCoord0;
#if (MATERIAL_TYPE == TILE_MATERIAL_LIQUID_TRANSPARENT || MATERIAL_TYPE == TILE_MATERIAL_LIQUID_OPAQUE) && ENABLE_WAVING_WATER
vec4 pos = gl_Vertex;
pos.y -= 2.0;