mirror/openlara
1
0
Fork 0
mirror of https://github.com/XProger/OpenLara.git synced 2025-08-11 07:34:33 +02:00
Code Issues Releases Wiki Activity

fix fresnel effect

Browse Source
This commit is contained in:
XProger
2019-07-08 01:59:17 +03:00
parent 098d907a5b
commit ed5a7acbf4
1 changed files with 3 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/shaders/water.glsl
View File

@@ -104,9 +104,8 @@ vec3 calcNormal(vec2 tc, float base) {
#define PI 3.141592653589793 #define PI 3.141592653589793
float calcFresnel(float VoH, float f0) { float calcFresnel(float NdotV, float f0) {
float f = pow(1.0 - VoH, 5.0); return f0 + (1.0 - f0) * pow(1.0 - NdotV, 5.0);
return f + f0 * (1.0 - f);
} }
#ifdef WATER_DROP #ifdef WATER_DROP
@@ -234,7 +233,7 @@ vec3 calcNormal(vec2 tc, float base) {
vec4 refr = vec4(mix(refrA.xyz, refrB.xyz, refrA.w), 1.0); vec4 refr = vec4(mix(refrA.xyz, refrB.xyz, refrA.w), 1.0);
vec4 refl = texture2D(sReflect, vec2(tc.x, 1.0 - tc.y) + dudv * uParam.w); vec4 refl = texture2D(sReflect, vec2(tc.x, 1.0 - tc.y) + dudv * uParam.w);
float fresnel = calcFresnel(max(0.0, dot(normal, viewVec)), 0.12); float fresnel = calcFresnel(abs(dot(normal, viewVec)), 0.12);
vec4 color = mix(refr, refl, fresnel); vec4 color = mix(refr, refl, fresnel);
color.xyz += spec * 1.5; color.xyz += spec * 1.5;