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Revert "animatable textures"

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This reverts commit 8226a9479ce8ab45bed5bc6acbba63eaaf0e6330.

point light shadows
fixed spotlights
geometry shaders
This commit is contained in:
devZoGok
2021-10-19 19:06:40 +03:00
parent 0193216ebb
commit c7940f7280
14 changed files with 270 additions and 142 deletions
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light.cpp
+100 -79
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@@ -15,23 +15,31 @@ using namespace glm;
using namespace std;
namespace vb01{
Light::Light(){
Light::Light(Type t){
this->type=t;
string basePath="../../vb01/depthMap.";
glGenFramebuffers(1,&depthmapFBO);
depthMap=new Texture(depthMapSize,depthMapSize);
glBindFramebuffer(GL_FRAMEBUFFER,depthmapFBO);
glFramebufferTexture2D(GL_FRAMEBUFFER,GL_DEPTH_ATTACHMENT,GL_TEXTURE_2D,*(depthMap->getTexture()),0);
if(this->type==POINT){
depthMap=new Texture(depthMapSize);
glFramebufferTexture(GL_FRAMEBUFFER,GL_DEPTH_ATTACHMENT,*(depthMap->getTexture()),0);
depthMapShader=new Shader(basePath+"vert",basePath+"frag",basePath+"geo");
}
else{
depthMap=new Texture(depthMapSize,depthMapSize,true);
glFramebufferTexture2D(GL_FRAMEBUFFER,GL_DEPTH_ATTACHMENT,GL_TEXTURE_2D,*(depthMap->getTexture()),0);
depthMapShader=new Shader(basePath+"vert",basePath+"frag");
}
glDrawBuffer(GL_NONE);
glReadBuffer(GL_NONE);
glBindFramebuffer(GL_FRAMEBUFFER,0);
if(glCheckFramebufferStatus(GL_FRAMEBUFFER)!=GL_FRAMEBUFFER_COMPLETE)
cout<<"Not complete\n";
else
cout<<"Complete\n";
string basePath="../../vb01/depthMap.";
depthMapShader=new Shader(basePath+"vert",basePath+"frag");
}
Light::~Light(){
@@ -66,89 +74,102 @@ namespace vb01{
for(Mesh *m : d->getMeshes())
materials.push_back(m->getMaterial());
}
for(int i=0;i<descendants.size();i++){
Node *n=descendants[i];
vec3 dirs[]{
vec3(1,0,0),
vec3(-1,0,0),
vec3(0,1,0),
vec3(0,-1,0),
vec3(0,0,1),
vec3(0,0,-1)
};
mat4 proj=mat4(1.),view=mat4(1.);
glViewport(0,0,depthMapSize,depthMapSize);
glBindFramebuffer(GL_FRAMEBUFFER,depthmapFBO);
glClear(GL_DEPTH_BUFFER_BIT);
for(Node *n : descendants){
vector<Mesh*> meshes=n->getMeshes();
for(Mesh *mesh : meshes){
Material *mat=mesh->getMaterial();
if(n->isVisible()&&mat&&mat->isLightingEnabled()){
mat4 proj,view;
Vector3 pos=n->getWorldPosition();
Quaternion rot=n->getWorldOrientation();
Vector3 rotAxis=rot.norm().getAxis();
if(rotAxis==Vector3::VEC_ZERO)
rotAxis=Vector3::VEC_I;
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=(type==DIRECTIONAL?ortho(-10.f,10.f,-10.f,10.f,nearPlane,farPlane):perspective(radians(90.f),1.f,nearPlane,farPlane));
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));
if(mesh->isCastShadow()){
Vector3 pos=n->getWorldPosition();
Quaternion rot=n->getWorldOrientation();
Vector3 rotAxis=rot.norm().getAxis();
if(rotAxis==Vector3::VEC_ZERO)
rotAxis=Vector3::VEC_I;
glViewport(0,0,depthMapSize,depthMapSize);
glBindFramebuffer(GL_FRAMEBUFFER,depthmapFBO);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
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->setBool(type==POINT,"point");
depthMapShader->setMat4(model,"model");
if(type==POINT){
depthMapShader->setFloat(farPlane,"farPlane");
depthMapShader->setVec3(position,"lightPos");
for(int j=0;j<6;j++)
depthMapShader->setMat4(proj*lookAt(p,p+dirs[j],1<j&&j<4?vec3(0,0,-1):vec3(0,-1,0)),"shadowMat["+to_string(j)+"]");
}
else{
depthMapShader->setMat4(proj*view,"lightMat");
}
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;
}
}
}
}
}
glBindFramebuffer(GL_FRAMEBUFFER,*(root->getFBO()));
glViewport(0,0,root->getWidth(),root->getHeight());
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->setFloat(nearPlane,"light["+to_string(thisId)+"].near");
shader->setFloat(farPlane,"light["+to_string(thisId)+"].far");
shader->setInt(0,"tex");
if(type==POINT)
shader->setInt(1,"light["+to_string(thisId)+"].depthMapCube");
else
shader->setInt(1,"light["+to_string(thisId)+"].depthMap");
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;
}
}
}
}