Files
kraken/KREngine/kraken/KRParticleSystemNewtonian.cpp

113 lines
4.6 KiB
C++

//
// KRParticleSystemNewtonian.cpp
// KREngine
//
// Created by Kearwood Gilbert on 2012-11-02.
// Copyright (c) 2012 Kearwood Software. All rights reserved.
//
#include "KRParticleSystemNewtonian.h"
#include "KRAABB.h"
#include "KRTexture.h"
#include "KRContext.h"
KRParticleSystemNewtonian::KRParticleSystemNewtonian(KRScene &scene, std::string name) : KRParticleSystem(scene, name)
{
m_particlesAbsoluteTime = 0.0f;
}
KRParticleSystemNewtonian::~KRParticleSystemNewtonian()
{
}
std::string KRParticleSystemNewtonian::getElementName()
{
return "newtonian_particles";
}
void KRParticleSystemNewtonian::loadXML(tinyxml2::XMLElement *e)
{
KRParticleSystem::loadXML(e);
}
tinyxml2::XMLElement *KRParticleSystemNewtonian::saveXML( tinyxml2::XMLNode *parent)
{
tinyxml2::XMLElement *e = KRParticleSystem::saveXML(parent);
return e;
}
KRAABB KRParticleSystemNewtonian::getBounds()
{
return KRAABB(-KRVector3::One(), KRVector3::One(), getModelMatrix());
}
void KRParticleSystemNewtonian::physicsUpdate(float deltaTime)
{
KRParticleSystem::physicsUpdate(deltaTime);
m_particlesAbsoluteTime += deltaTime;
}
bool KRParticleSystemNewtonian::hasPhysics()
{
return true;
}
void KRParticleSystemNewtonian::render(KRCamera *pCamera, std::vector<KRPointLight *> &point_lights, std::vector<KRDirectionalLight *> &directional_lights, std::vector<KRSpotLight *>&spot_lights, const KRViewport &viewport, KRNode::RenderPass renderPass) {
KRNode::render(pCamera, point_lights, directional_lights, spot_lights, viewport, renderPass);
if(renderPass == KRNode::RENDER_PASS_ADDITIVE_PARTICLES) {
if(viewport.visible(getBounds())) {
// Enable z-buffer test
GLDEBUG(glEnable(GL_DEPTH_TEST));
GLDEBUG(glDepthRangef(0.0, 1.0));
KRTexture *pParticleTexture = m_pContext->getTextureManager()->getTexture("flare");
m_pContext->getTextureManager()->selectTexture(0, pParticleTexture);
int particle_count = 10000;
KRShader *pParticleShader = m_pContext->getShaderManager()->getShader("dust_particle", pCamera, point_lights, directional_lights, spot_lights, 0, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, renderPass);
if(getContext().getShaderManager()->selectShader(*pCamera, pParticleShader, viewport, getModelMatrix(), point_lights, directional_lights, spot_lights, 0, renderPass)) {
pParticleShader->setUniform(KRShader::KRENGINE_UNIFORM_FLARE_SIZE, 1.0f);
m_pContext->getModelManager()->bindVBO((void *)m_pContext->getModelManager()->getRandomParticles(), particle_count * 3 * sizeof(KRMeshManager::RandomParticleVertexData), NULL, 0, true, false, false, true, false, false, false, false);
GLDEBUG(glDrawArrays(GL_TRIANGLES, 0, particle_count*3));
}
}
}
}
//
//
//
// KRMat4 particleModelMatrix = KRMat4();
//// particleModelMatrix.scale(particleBlockScale);
////
//// KRVector3 particleBlockOrigin = KRVector3(m_viewport.getCameraPosition().x - fmod(m_viewport.getCameraPosition().x + x * particleBlockScale, particleBlockScale), m_viewport.getCameraPosition().y - fmod(m_viewport.getCameraPosition().y + y * particleBlockScale, particleBlockScale),m_viewport.getCameraPosition().z - fmod(m_viewport.getCameraPosition().z + z * particleBlockScale, particleBlockScale));
////
//// particleModelMatrix.translate(particleBlockOrigin);
//// particleModelMatrix.translate(sin(m_particlesAbsoluteTime * 0.0523f) * 10.0f, sin(m_particlesAbsoluteTime * 0.0553f) * 10.0f, sin(m_particlesAbsoluteTime * 0.0521f) * 10.0f);
//
// int particle_count = 10000;
//
// if(getContext().getShaderManager()->selectShader(pParticleShader, m_viewport, particleModelMatrix, lightDirection, shadowmvpmatrix, shadowDepthTexture, m_cShadowBuffers, KRNode::RENDER_PASS_ADDITIVE_PARTICLES)) {
// GLDEBUG(glUniform1f(
// pParticleShader->m_uniforms[KRShader::KRENGINE_UNIFORM_FLARE_SIZE],
// 1.0f
// ));
//
// m_pContext->getModelManager()->bindVBO((void *)m_pContext->getModelManager()->getRandomParticles(), particle_count * 3 * sizeof(KRMeshManager::RandomParticleVertexData), NULL, 0, true, false, false, true, false, false);
// GLDEBUG(glDrawArrays(GL_TRIANGLES, 0, particle_count*3));
// }
//// }
//// }
//// }