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added variable to render lighting

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devZoGok
2022-03-26 12:31:16 +02:00
parent a38172c3c8
commit ab9bb1f0e3
2 changed files with 49 additions and 37 deletions
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texture.frag
+42 -33
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@@ -1,5 +1,6 @@
#version 330 core
const int numLights=1;
const bool checkLights=false;
in vec3 fragPos;
in vec3 tan;
@@ -46,6 +47,7 @@ float getShadow(int id){
int type = lights[id].type;
float shadow = 0, closestDepth = 0, currentDepth = 0, bias = .005, val = .7;
if(type == 0){
vec3 projDir = fragPos - lights[id].pos;
closestDepth = texture(lights[id].depthMapCube, projDir).r * lights[id].far;
@@ -57,13 +59,16 @@ float getShadow(int id){
vec3 projCoords = (lightSpaceFragPos.xyz / lightSpaceFragPos.w) * .5 + .5;
closestDepth = texture(lights[id].depthMap, projCoords.xy).r;
currentDepth = projCoords.z;
if(type == 2){
if(type == 2)
closestDepth = linDepth(closestDepth, id); currentDepth = linDepth(currentDepth, id);
}
shadow = (currentDepth - bias > closestDepth) ? val : 0;
if(projCoords.z > 1)
shadow = 0;
}
return shadow;
}
@@ -90,43 +95,47 @@ void main(){
vec3 diffuseCol = vec3(0), specularCol = vec3(0);
for(int i = 0; i < numLights; i++){
vec3 lightDir = vec3(0), viewDir = normalize(camPos - fragPos);
float attenuation = 1.0;
float a = lights[i].a, b = lights[i].b, c = lights[i].c, dist = length(fragPos - lights[i].pos), factor, coef = 1;
if(checkLights){
for(int i = 0; i < numLights; i++){
vec3 lightDir = vec3(0), viewDir = normalize(camPos - fragPos);
float attenuation = 1.0;
float a = lights[i].a, b = lights[i].b, c = lights[i].c, dist = length(fragPos - lights[i].pos), factor, coef = 1;
if(lights[i].type == 0){
lightDir = normalize(lights[i].pos - fragPos);
attenuation = 1.0 / (a * dist * dist + b * dist + c);
}
else if(lights[i].type == 1){
lightDir = -normalize(lights[i].direction);
}
else if(lights[i].type == 2){
lightDir = normalize(lights[i].pos - fragPos);
float innerAngle = lights[i].innerAngle;
float angle = acos(dot(-lightDir, lights[i].direction));
float outerAngle = lights[i].outerAngle;
if(lights[i].innerAngle <= angle && angle <= lights[i].outerAngle){
coef = (angle - outerAngle) / (innerAngle - outerAngle);
if(lights[i].type == 0){
lightDir = normalize(lights[i].pos - fragPos);
attenuation = 1.0 / (a * dist * dist + b * dist + c);
}
if(angle > lights[i].outerAngle){
continue;
else if(lights[i].type == 1)
lightDir = -normalize(lights[i].direction);
else if(lights[i].type == 2){
lightDir = normalize(lights[i].pos - fragPos);
float innerAngle = lights[i].innerAngle;
float angle = acos(dot(-lightDir, lights[i].direction));
float outerAngle = lights[i].outerAngle;
if(lights[i].innerAngle <= angle && angle <= lights[i].outerAngle)
coef = (angle - outerAngle) / (innerAngle - outerAngle);
if(angle > lights[i].outerAngle)
continue;
}
factor = max(dot(lightDir, normal), 0.);
diffuseCol += lights[i].color * (factor * attenuation * coef);
if(specularMapEnabled){
float specularSample = texture(textures[2].pastTexture, texCoords).r;
vec3 halfwayVec = normalize(lightDir + viewDir);
float spec = pow(max(dot(normal, halfwayVec), 0), shinyness);
specularCol += specularStrength * spec * specularSample * lights[i].color;
}
float shadow = getShadow(i);
diffuseCol *= (1.0 - shadow);
}
factor = max(dot(lightDir, normal), 0.);
diffuseCol += lights[i].color * (factor * attenuation * coef);
if(specularMapEnabled){
float specularSample = texture(textures[2].pastTexture, texCoords).r;
vec3 halfwayVec = normalize(lightDir + viewDir);
float spec = pow(max(dot(normal, halfwayVec), 0), shinyness);
specularCol += specularStrength * spec * specularSample * lights[i].color;
}
finalColor *= vec4(diffuseCol + specularCol, 1);
}
finalColor *= vec4(diffuseCol + specularCol, 1);
}
float brightness = dot(finalColor.rgb, vec3(0.2126, 0.7152, 0.0722));