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improve sky lighting

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MihailRis 2026-02-02 18:35:44 +03:00
parent d9a7afad05
commit 3055621894
5 changed files with 14 additions and 7 deletions
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4
res/shaders/entity.glslv
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@ -13,6 +13,8 @@ layout (location = 4) in vec4 v_normal;
out vec4 a_color;
uniform float u_dayTime;
void main() {
a_modelpos = u_model * vec4(v_position, 1.0);
vec3 pos3d = a_modelpos.xyz - u_cameraPos;
@ -26,7 +28,7 @@ void main() {
a_texCoord = v_texCoord;
a_dir = a_modelpos.xyz - u_cameraPos;
vec3 skyLightColor = pick_sky_color(u_skybox);
vec3 skyLightColor = pick_sky_color(u_skybox, u_dayTime);
a_color.rgb = max(a_color.rgb, skyLightColor.rgb * v_light.a) * v_color;
a_color.a = u_opacity;

4
res/shaders/lib/constants.glsl
View file

@ -8,8 +8,8 @@
#define CURVATURE_FACTOR 0.002
// lighting
#define SKY_LIGHT_MUL 2.9
#define SKY_LIGHT_TINT (vec3(1.0, 0.95, 0.9) * 2.0)
#define SKY_LIGHT_MUL 2.5
#define SKY_LIGHT_TINT (vec3(1.0, 0.75, 0.6) * 2.0)
#define MIN_SKY_LIGHT vec3(0.2, 0.25, 0.33)
// fog

5
res/shaders/lib/sky.glsl
View file

@ -3,8 +3,9 @@
#include <constants>
vec3 pick_sky_color(samplerCube cubemap) {
vec3 skyLightColor = texture(cubemap, vec3(0.4f, 0.05f, 0.4f)).rgb;
vec3 pick_sky_color(samplerCube cubemap, float dayTime) {
float elevation = sin(dayTime * PI2) * 0.2;
vec3 skyLightColor = texture(cubemap, vec3(0.0f, elevation, -0.4f)).rgb;
skyLightColor *= SKY_LIGHT_TINT;
skyLightColor = min(vec3(1.0f), skyLightColor * SKY_LIGHT_MUL);
skyLightColor = max(MIN_SKY_LIGHT, skyLightColor);

4
res/shaders/main.glslv
View file

@ -10,6 +10,8 @@ layout (location = 3) in vec4 v_normal;
#include <fog>
#include <sky>
uniform float u_dayTime;
out vec4 a_torchLight;
void main() {
@ -25,7 +27,7 @@ void main() {
a_texCoord = v_texCoord;
a_dir = a_modelpos.xyz - u_cameraPos;
vec3 skyLightColor = pick_sky_color(u_skybox);
vec3 skyLightColor = pick_sky_color(u_skybox, u_dayTime);
a_skyLight = skyLightColor.rgb*v_light.a;
mat4 viewmodel = u_view * u_model;

4
res/shaders/translucent.glslv
View file

@ -12,6 +12,8 @@ layout (location = 3) in vec4 v_normal;
out vec4 a_torchLight;
uniform float u_dayTime;
void main() {
a_modelpos = u_model * vec4(v_position, 1.0f);
vec3 pos3d = a_modelpos.xyz - u_cameraPos;
@ -25,7 +27,7 @@ void main() {
a_texCoord = v_texCoord;
a_dir = a_modelpos.xyz - u_cameraPos;
vec3 skyLightColor = pick_sky_color(u_skybox);
vec3 skyLightColor = pick_sky_color(u_skybox, u_dayTime);
a_skyLight = skyLightColor.rgb*v_light.a;
mat4 viewmodel = u_view * u_model;