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matrices and bug fixes

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devZoGok
2021-10-19 19:06:40 +03:00
parent 7e1575d690
commit 19fa1590d0
20 changed files with 438 additions and 116 deletions
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light.cpp
+85 -57
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@@ -48,36 +48,14 @@ namespace vb01{
Node *rootNode=root->getRootNode();
Camera *cam=root->getCamera();
std::vector<Node*> descendants;
std::vector<Material*> materials;
rootNode->getDescendants(rootNode,descendants);
descendants.push_back(rootNode);
std::vector<Material*> materials;
int numLights=0,thisId=-1;
float fov=cam->getFov(),width=root->getWidth(),height=root->getHeight();
vec3 dir=vec3(direction.x,direction.y,direction.z);
vec3 pos=type==DIRECTIONAL?-.5f*farPlane*dir:vec3(position.x,position.y,position.z);
mat4 view=lookAt(pos,pos+dir,vec3(0,1,0));
mat4 proj=ortho(-10.f,10.f,-10.f,10.f,nearPlane,farPlane);
depthMapShader->use();
depthMapShader->setMat4(proj*view,"lightMat");
glViewport(0,0,depthMapSize,depthMapSize);
glBindFramebuffer(GL_FRAMEBUFFER,depthmapFBO);
for(Node *n : descendants){
std::vector<Light*> lights=n->getLights();
vector<Mesh*> meshes=n->getMeshes();
for(Mesh *mesh : meshes){
Material *mat=mesh->getMaterial();
if(mat&&mat->isLightingEnabled()){
materials.push_back(mat);
if(mesh->isCastShadow()){
Vector3 pos=n->getPosition();
mat4 model=translate(mat4(1.f),vec3(pos.x,pos.y,pos.z));
depthMapShader->setMat4(model,"model");
mesh->render();
}
}
}
for(Node *d : descendants){
std::vector<Light*> lights=d->getLights();
for(Light *l : lights){
if(l){
numLights++;
@@ -85,41 +63,91 @@ namespace vb01{
thisId=numLights-1;
}
}
for(Mesh *m : d->getMeshes())
materials.push_back(m->getMaterial());
}
glBindFramebuffer(GL_FRAMEBUFFER,0);
for(int i=0;i<descendants.size();i++){
Node *n=descendants[i];
vector<Mesh*> meshes=n->getMeshes();
for(Mesh *mesh : meshes){
Material *mat=mesh->getMaterial();
if(n->isVisible()&&mat&&mat->isLightingEnabled()){
mat4 proj,view;
if(mesh->isCastShadow()){
Vector3 pos=n->getWorldPosition();
Quaternion rot=n->getWorldOrientation();
Vector3 rotAxis=rot.norm().getAxis();
glViewport(0,0,root->getWidth(),root->getHeight());
if(rotAxis==Vector3::VEC_ZERO)
rotAxis=Vector3::VEC_I;
for(Material *m : materials){
Shader *shader=m->getShader();
shader->use();
shader->setInt((int)type,"light["+to_string(thisId)+"].type");
shader->setVec3(color,"light["+to_string(thisId)+"].color");
shader->setInt(0,"tex");
shader->setInt(thisId+1,"light["+to_string(thisId)+"].depthMap");
depthMap->select(thisId+1);
glViewport(0,0,depthMapSize,depthMapSize);
glBindFramebuffer(GL_FRAMEBUFFER,depthmapFBO);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
switch(type){
case POINT:
shader->setVec3(position,"light["+to_string(thisId)+"].pos");
shader->setFloat(attenuationValues.x,"light["+to_string(thisId)+"].a");
shader->setFloat(attenuationValues.y,"light["+to_string(thisId)+"].b");
shader->setFloat(attenuationValues.z,"light["+to_string(thisId)+"].c");
break;
case DIRECTIONAL:
shader->setMat4(proj*view,"light["+to_string(thisId)+"].lightMat");
shader->setVec3(direction,"light["+to_string(thisId)+"].direction");
break;
case SPOT:
shader->setMat4(proj*view,"light["+to_string(thisId)+"].lightMat");
shader->setVec3(position,"light["+to_string(thisId)+"].pos");
shader->setVec3(direction,"light["+to_string(thisId)+"].direction");
shader->setFloat(attenuationValues.x,"light["+to_string(thisId)+"].a");
shader->setFloat(attenuationValues.y,"light["+to_string(thisId)+"].b");
shader->setFloat(attenuationValues.z,"light["+to_string(thisId)+"].c");
shader->setFloat(innerAngle,"light["+to_string(thisId)+"].innerAngle");
shader->setFloat(outerAngle,"light["+to_string(thisId)+"].outerAngle");
break;
Vector3 upDir=direction.cross(Vector3(0,1,0));
if(upDir==Vector3(0,0,0))
upDir=Vector3::VEC_I;
vec3 dir=vec3(direction.x,direction.y,direction.z);
vec3 up=vec3(upDir.x,upDir.y,upDir.z);
vec3 p=type==DIRECTIONAL?vec3(pos.x,pos.y,pos.z)-.5f*farPlane*dir:vec3(position.x,position.y,position.z);
view=lookAt(p,p+dir,up);
proj=ortho(-10.f,10.f,-10.f,10.f,nearPlane,farPlane);
depthMapShader->use();
depthMapShader->setMat4(proj*view,"lightMat");
mat4 model=translate(mat4(1.f),vec3(pos.x,pos.y,pos.z));
model=rotate(model,rot.getAngle(),vec3(rotAxis.x,rotAxis.y,rotAxis.z));
depthMapShader->setMat4(model,"model");
mesh->render();
glBindFramebuffer(GL_FRAMEBUFFER,*(root->getFBO()));
glViewport(0,0,root->getWidth(),root->getHeight());
/*
for(Material *m : materials){
Shader *shader=m->getShader();
shader->use();
shader->setInt(1+2*thisId+i,"light["+to_string(thisId)+"].depthMap["+to_string(i)+"]");
depthMap->select(1+2*thisId+i);
}
*/
}
for(Material *m : materials){
Shader *shader=m->getShader();
shader->use();
shader->setInt((int)type,"light["+to_string(thisId)+"].type");
shader->setVec3(color,"light["+to_string(thisId)+"].color");
shader->setInt(0,"tex");
shader->setInt(1,"light["+to_string(thisId)+"].depthMap["+to_string(0)+"]");
depthMap->select(1);
switch(type){
case POINT:
shader->setVec3(position,"light["+to_string(thisId)+"].pos");
shader->setFloat(attenuationValues.x,"light["+to_string(thisId)+"].a");
shader->setFloat(attenuationValues.y,"light["+to_string(thisId)+"].b");
shader->setFloat(attenuationValues.z,"light["+to_string(thisId)+"].c");
break;
case DIRECTIONAL:
shader->setMat4(proj*view,"light["+to_string(thisId)+"].lightMat");
shader->setVec3(direction,"light["+to_string(thisId)+"].direction");
break;
case SPOT:
shader->setMat4(proj*view,"light["+to_string(thisId)+"].lightMat");
shader->setVec3(position,"light["+to_string(thisId)+"].pos");
shader->setVec3(direction,"light["+to_string(thisId)+"].direction");
shader->setFloat(attenuationValues.x,"light["+to_string(thisId)+"].a");
shader->setFloat(attenuationValues.y,"light["+to_string(thisId)+"].b");
shader->setFloat(attenuationValues.z,"light["+to_string(thisId)+"].c");
shader->setFloat(innerAngle,"light["+to_string(thisId)+"].innerAngle");
shader->setFloat(outerAngle,"light["+to_string(thisId)+"].outerAngle");
break;
}
}
}
}
}
}