mirror of
https://github.com/devZoGok/vb01.git
synced 2026-08-26 19:43:30 +00:00
refactored light updating to account for lights in hidden nodes
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@@ -75,32 +75,39 @@ namespace vb01{
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glBindFramebuffer(GL_FRAMEBUFFER, *(Root::getSingleton()->getFBO()));
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}
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void Light::update(){
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void Light::update(bool render){
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Root *root = Root::getSingleton();
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Node *rootNode = root->getRootNode();
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vector<Node*> descendants;
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rootNode->getDescendants(descendants);
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descendants.push_back(rootNode);
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vector<Light*> lights;
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vector<Material*> materials;
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for(Node *d : descendants){
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for(Light *l : d->getLights())
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lights.push_back(l);
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for(Mesh *m : d->getMeshes())
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materials.push_back(m->getMaterial());
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for(Mesh *mesh : d->getMeshes())
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materials.push_back(mesh->getMaterial());
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}
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int thisId = -1;
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for(int i = 0; i < lights.size(); i++)
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if(lights[i] == this)
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thisId = i;
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for(Material *mat : materials){
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Shader *shader = mat->getShader();
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shader->use();
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shader->setBool(render, "lights[" + to_string(thisId) + "].render");
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}
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mat4 proj = mat4(1.), view = mat4(1.);
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renderShadow(descendants, proj, view);
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updateShader(materials, thisId, proj, view);
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}
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void Light::renderShadow(std::vector<Node*> descendants, mat4 &proj, mat4 &view){
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@@ -176,8 +183,10 @@ namespace vb01{
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glViewport(0, 0, root->getWidth(), root->getHeight());
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}
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//TODO replace depth map id literals
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void Light::updateShader(vector<Material*> materials, int thisId, mat4 &proj, mat4 &view){
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Vector3 position = node->localToGlobalPosition(Vector3::VEC_ZERO), direction = node->getGlobalAxis(2);
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for(Material *m : materials){
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Shader *shader = m->getShader();
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shader->use();
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@@ -200,7 +209,7 @@ namespace vb01{
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shader->setFloat(attenuationValues.x, "lights[" + to_string(thisId) + "].a");
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shader->setFloat(attenuationValues.y, "lights[" + to_string(thisId) + "].b");
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shader->setFloat(attenuationValues.z, "lights[" + to_string(thisId) + "].c");
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shader->setBool(useAngle, "lights[" + to_string(thisId) + "].additive");
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shader->setBool(useAngle, "lights[" + to_string(thisId) + "].useAngle");
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break;
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case DIRECTIONAL:
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shader->setMat4(proj * view, "lights[" + to_string(thisId) + "].lightMat");
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@@ -21,7 +21,9 @@ namespace vb01{
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Light(Type, std::string = "");
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~Light();
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void update();
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void update(bool);
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inline Vector3 getColor(){return color;}
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inline Type getLightType(){return type;}
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inline void setColor(Vector3 color){this->color = color;}
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inline void setAttenuationValues(float a, float b, float c){
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attenuationValues.x = a;
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@@ -58,10 +58,10 @@ namespace vb01{
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if(!render) break;
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}
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if(render){
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for(Light *l : lights)
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l->update();
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for(Light *l : lights)
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l->update(render);
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if(render){
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for(Mesh *m : meshes)
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m->update();
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+5
-3
@@ -15,7 +15,7 @@ layout (location = 1) out vec4 BrightColor;
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//0-POINT,1-DIRECTIONAL,2-SPOT
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struct Light{
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bool useAngle, additive;
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bool useAngle, additive, render;
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int type, attenuation;
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vec3 pos, color, direction;
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float innerAngle, outerAngle;
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@@ -100,8 +100,10 @@ void main(){
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bool addedLighting = false;
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for(int i = 0; i < numLights; i++){
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if(!lights[i].render) continue;
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vec3 lightDir = vec3(0), viewDir = normalize(camPos - fragPos);
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float attenuation = 0, coef = 1;
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float attenuation = 1, coef = 1;
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float factor = 0;
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bool canAdd = false;
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@@ -125,7 +127,7 @@ void main(){
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}
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else if(lights[i].type == 1){
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lightDir = -normalize(lights[i].direction);
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factor = max(dot(lightDir, normalize(normal)), 0.) * attenuation * coef;
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factor = max(dot(lightDir, normalize(normal)), 0.) * attenuation;
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}
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else if(lights[i].type == 2){
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lightDir = normalize(lights[i].pos - fragPos);
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