"out vec4 FragColor;\n"
"\n"
"uniform vec3 uCamera;\n"
+"uniform vec3 uBoard0;\n"
+"uniform vec3 uBoard1;\n"
"\n"
"in vec4 aColour;\n"
"in vec2 aUv;\n"
" return mix( vfrag, g_ambient_colour.rgb, faccum );\n"
"}\n"
"\n"
+"// FIXME\n"
+"float sdLine( vec3 p, vec3 a, vec3 b )\n"
+"{\n"
+" vec3 pa = p - a;\n"
+" vec3 ba = b - a;\n"
+"\n"
+" float h = clamp( dot(pa,ba)/dot(ba,ba), 0.0, 1.0 );\n"
+" return length( pa - ba*h );\n"
+"}\n"
+"\n"
"vec3 do_light_shadowing( vec3 vfrag )\n"
"{\n"
" if( g_shadow_samples == 0 )\n"
" famt+=shadow_sample((vdir+vec3( 0.807,-0.690, 0.472)*fspread)*flength*0.6);\n"
" famt+=shadow_sample((vdir+vec3( 0.522,-0.379, 0.350)*fspread)*flength*0.7);\n"
" famt+=shadow_sample((vdir+vec3( 0.483, 0.201, 0.306)*fspread)*flength*0.8);\n"
+"\n"
+" // player shadow\n"
+" float dist_to_player = max( 0.0, sdLine( aWorldCo, uBoard0, uBoard1 )-0.03 );\n"
+" float player_shadow = max( 1.0-dist_to_player*1.7, 0.0 );\n"
+" player_shadow *= player_shadow*player_shadow*player_shadow;\n"
+"\n"
+" famt = max( player_shadow*0.6, famt );\n"
" return mix( vfrag, g_ambient_colour.rgb, famt );\n"
"}\n"
"\n"
" return mix( vfrag, vec3(0.55,0.76,1.0), min( 1.0, dist ) );\n"
"}\n"
"\n"
-"#line 12 0 \n"
+"#line 14 0 \n"
"\n"
"// Water blending\n"
"// ==============\n"
static GLuint _uniform_gpos_uPv;
static GLuint _uniform_gpos_uPvmPrev;
static GLuint _uniform_gpos_uCamera;
+static GLuint _uniform_gpos_uBoard0;
+static GLuint _uniform_gpos_uBoard1;
static GLuint _uniform_gpos_g_world_depth;
static void shader_gpos_uMdl(m4x3f m){
glUniformMatrix4x3fv(_uniform_gpos_uMdl,1,GL_FALSE,(float*)m);
static void shader_gpos_uCamera(v3f v){
glUniform3fv(_uniform_gpos_uCamera,1,v);
}
+static void shader_gpos_uBoard0(v3f v){
+ glUniform3fv(_uniform_gpos_uBoard0,1,v);
+}
+static void shader_gpos_uBoard1(v3f v){
+ glUniform3fv(_uniform_gpos_uBoard1,1,v);
+}
static void shader_gpos_g_world_depth(int i){
glUniform1i(_uniform_gpos_g_world_depth,i);
}
_uniform_gpos_uPv = glGetUniformLocation( _shader_gpos.id, "uPv" );
_uniform_gpos_uPvmPrev = glGetUniformLocation( _shader_gpos.id, "uPvmPrev" );
_uniform_gpos_uCamera = glGetUniformLocation( _shader_gpos.id, "uCamera" );
+ _uniform_gpos_uBoard0 = glGetUniformLocation( _shader_gpos.id, "uBoard0" );
+ _uniform_gpos_uBoard1 = glGetUniformLocation( _shader_gpos.id, "uBoard1" );
_uniform_gpos_g_world_depth = glGetUniformLocation( _shader_gpos.id, "g_world_depth" );
}
#endif /* SHADER_gpos_H */