diff options
Diffstat (limited to 'src/extras/shaders/es2/light.inc.frag')
| -rw-r--r-- | src/extras/shaders/es2/light.inc.frag | 108 |
1 files changed, 81 insertions, 27 deletions
diff --git a/src/extras/shaders/es2/light.inc.frag b/src/extras/shaders/es2/light.inc.frag index 02660f008..074af5799 100644 --- a/src/extras/shaders/es2/light.inc.frag +++ b/src/extras/shaders/es2/light.inc.frag @@ -26,27 +26,45 @@ void adsModelNormalMapped(const in FP vec3 vpos, const in FP vec3 vnormal, const FP vec3 n = normalize( vnormal ); FP vec3 s, ts; + Light light; for (int i = 0; i < lightCount; ++i) { + if (i == 0) + light = lights[0]; + else if (i == 1) + light = lights[1]; + else if (i == 2) + light = lights[2]; + else if (i == 3) + light = lights[3]; + else if (i == 4) + light = lights[4]; + else if (i == 5) + light = lights[5]; + else if (i == 6) + light = lights[6]; + else if (i == 7) + light = lights[7]; + FP float att = 1.0; - if ( lights[i].type != TYPE_DIRECTIONAL ) { - s = lights[i].position - vpos; + if ( light.type != TYPE_DIRECTIONAL ) { + s = light.position - vpos; if ( dot(snormal, s) < 0.0 ) att = 0.0; else { ts = normalize( tangentMatrix * s ); - if (length( lights[i].attenuation ) != 0.0) { + if (length( light.attenuation ) != 0.0) { FP float dist = length(s); - att = 1.0 / (lights[i].attenuation.x + lights[i].attenuation.y * dist + lights[i].attenuation.z * dist * dist); + att = 1.0 / (light.attenuation.x + light.attenuation.y * dist + light.attenuation.z * dist * dist); } s = normalize( s ); - if ( lights[i].type == TYPE_SPOT ) { - if ( degrees(acos(dot(-s, normalize(lights[i].direction))) ) > lights[i].cutOffAngle) + if ( light.type == TYPE_SPOT ) { + if ( degrees(acos(dot(-s, normalize(light.direction))) ) > light.cutOffAngle) att = 0.0; } } } else { - if ( dot(snormal, -lights[i].direction) > 0.0 ) - s = normalize( tangentMatrix * -lights[i].direction ); + if ( dot(snormal, -light.direction) > 0.0 ) + s = normalize( tangentMatrix * -light.direction ); else att = 0.0; } @@ -61,8 +79,8 @@ void adsModelNormalMapped(const in FP vec3 vpos, const in FP vec3 vnormal, const specular = normFactor * pow( max( dot( r, v ), 0.0 ), shininess ); } - diffuseColor += att * lights[i].intensity * diffuse * lights[i].color; - specularColor += att * lights[i].intensity * specular * lights[i].color; + diffuseColor += att * light.intensity * diffuse * light.color; + specularColor += att * light.intensity * specular * light.color; } } @@ -75,21 +93,39 @@ void adsModel(const in FP vec3 vpos, const in FP vec3 vnormal, const in FP vec3 FP vec3 n = normalize( vnormal ); FP vec3 s; + Light light; for (int i = 0; i < lightCount; ++i) { + if (i == 0) + light = lights[0]; + else if (i == 1) + light = lights[1]; + else if (i == 2) + light = lights[2]; + else if (i == 3) + light = lights[3]; + else if (i == 4) + light = lights[4]; + else if (i == 5) + light = lights[5]; + else if (i == 6) + light = lights[6]; + else if (i == 7) + light = lights[7]; + FP float att = 1.0; - if ( lights[i].type != TYPE_DIRECTIONAL ) { - s = lights[i].position - vpos; - if (length( lights[i].attenuation ) != 0.0) { + if ( light.type != TYPE_DIRECTIONAL ) { + s = light.position - vpos; + if (length( light.attenuation ) != 0.0) { FP float dist = length(s); - att = 1.0 / (lights[i].attenuation.x + lights[i].attenuation.y * dist + lights[i].attenuation.z * dist * dist); + att = 1.0 / (light.attenuation.x + light.attenuation.y * dist + light.attenuation.z * dist * dist); } s = normalize( s ); - if ( lights[i].type == TYPE_SPOT ) { - if ( degrees(acos(dot(-s, normalize(lights[i].direction))) ) > lights[i].cutOffAngle) + if ( light.type == TYPE_SPOT ) { + if ( degrees(acos(dot(-s, normalize(light.direction))) ) > light.cutOffAngle) att = 0.0; } } else { - s = normalize( -lights[i].direction ); + s = normalize( -light.direction ); } FP float diffuse = max( dot( s, n ), 0.0 ); @@ -102,8 +138,8 @@ void adsModel(const in FP vec3 vpos, const in FP vec3 vnormal, const in FP vec3 specular = normFactor * pow( max( dot( r, v ), 0.0 ), shininess ); } - diffuseColor += att * lights[i].intensity * diffuse * lights[i].color; - specularColor += att * lights[i].intensity * specular * lights[i].color; + diffuseColor += att * light.intensity * diffuse * light.color; + specularColor += att * light.intensity * specular * light.color; } } @@ -114,25 +150,43 @@ void adModel(const in FP vec3 vpos, const in FP vec3 vnormal, out FP vec3 diffus FP vec3 n = normalize( vnormal ); FP vec3 s; + Light light; for (int i = 0; i < lightCount; ++i) { + if (i == 0) + light = lights[0]; + else if (i == 1) + light = lights[1]; + else if (i == 2) + light = lights[2]; + else if (i == 3) + light = lights[3]; + else if (i == 4) + light = lights[4]; + else if (i == 5) + light = lights[5]; + else if (i == 6) + light = lights[6]; + else if (i == 7) + light = lights[7]; + FP float att = 1.0; - if ( lights[i].type != TYPE_DIRECTIONAL ) { - s = lights[i].position - vpos; - if (length( lights[i].attenuation ) != 0.0) { + if ( light.type != TYPE_DIRECTIONAL ) { + s = light.position - vpos; + if (length( light.attenuation ) != 0.0) { FP float dist = length(s); - att = 1.0 / (lights[i].attenuation.x + lights[i].attenuation.y * dist + lights[i].attenuation.z * dist * dist); + att = 1.0 / (light.attenuation.x + light.attenuation.y * dist + light.attenuation.z * dist * dist); } s = normalize( s ); - if ( lights[i].type == TYPE_SPOT ) { - if ( degrees(acos(dot(-s, normalize(lights[i].direction))) ) > lights[i].cutOffAngle) + if ( light.type == TYPE_SPOT ) { + if ( degrees(acos(dot(-s, normalize(light.direction))) ) > light.cutOffAngle) att = 0.0; } } else { - s = normalize( -lights[i].direction ); + s = normalize( -light.direction ); } FP float diffuse = max( dot( s, n ), 0.0 ); - diffuseColor += att * lights[i].intensity * diffuse * lights[i].color; + diffuseColor += att * light.intensity * diffuse * light.color; } } |