diff options
Diffstat (limited to 'glass.frag')
| -rw-r--r-- | glass.frag | 7 |
1 files changed, 5 insertions, 2 deletions
@@ -1,9 +1,11 @@ varying vec3 light_surf; varying vec3 eye_surf; varying vec3 tangent_surf; +varying vec4 shadow_coords; varying vec2 texcoord; uniform sampler2D normal_sampler; uniform sampler2D heightmap_sampler; +uniform sampler2DShadow shadow_sampler; uniform float F0, ni; float schlick_fresnel(float n_dot_l) @@ -27,6 +29,7 @@ float fresnel(float v_dot_h) void main() { + float shadow = shadow2DProj(shadow_sampler, shadow_coords).x; const vec4 material_color = vec4(0.7, 0.5, 0.3, 0.0); vec3 l = normalize(light_surf); vec3 v = normalize(eye_surf); @@ -43,7 +46,7 @@ void main() float v_dot_h = dot(v, h); float s = .7; float d = 1 - s; - float Ii = 0.9; /*intensity of incoming light */ + float Ii = 0.9 * shadow; /*intensity of incoming light */ float Iia = .1 * Ii; /*intensity of ambient light */ float cos2_alpha = n_dot_h * n_dot_h; @@ -94,7 +97,7 @@ void main() gl_FragColor = n_dot_l * step(0, n_dot_l) * vec4(material_color.xyz * - (Rd * d + Rs * s), + ((Rd * d + Rs * s) * Ii), material_color.w) + Iia * Ra * material_color.xyzw; |