kraken_engine/kraken
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Brownian motion particle system implementation in progress (for dust environment effects)

Browse Source 
Fixed bug in KRImport that caused long material names to become corrupted

--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%40150
This commit is contained in:
kearwood
2012-11-02 20:50:45 +00:00
parent 87b7877958
commit e5febf7e60
20 changed files with 391 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
KREngine/KREngine/Classes/KRModelManager.cpp
View File

@@ -39,6 +39,7 @@ KRModelManager::KRModelManager(KRContext &context) : KRContextObject(context) {
m_currentVBO.vao_handle = 0;
m_currentVBO.data = NULL;
m_vboMemUsed = 0;
m_randomParticleVertexData = NULL;
}
KRModelManager::~KRModelManager() {
@@ -46,6 +47,7 @@ KRModelManager::~KRModelManager() {
delete (*itr).second;
}
m_models.empty();
if(m_randomParticleVertexData != NULL) delete m_randomParticleVertexData;
}
KRModel *KRModelManager::loadModel(const char *szName, KRDataBlock *pData) {
@@ -246,3 +248,36 @@ void KRModelManager::rotateBuffers(bool new_frame)
}
}
KRModelManager::RandomParticleVertexData *KRModelManager::getRandomParticles()
{
const int MAX_PARTICLES=500000;
if(m_randomParticleVertexData == NULL) {
m_randomParticleVertexData = (RandomParticleVertexData *)malloc(sizeof(RandomParticleVertexData) * MAX_PARTICLES * 3);
int iVertex=0;
for(int iParticle=0; iParticle < MAX_PARTICLES; iParticle++) {
m_randomParticleVertexData[iVertex].vertex.x = (float)(arc4random() % 2000) / 1000.0f - 1.0f;
m_randomParticleVertexData[iVertex].vertex.y = (float)(arc4random() % 2000) / 1000.0f - 1.0f;
m_randomParticleVertexData[iVertex].vertex.z = (float)(arc4random() % 2000) / 1000.0f - 1.0f;
m_randomParticleVertexData[iVertex].uva.u = 0.0f;
m_randomParticleVertexData[iVertex].uva.v = 0.0f;
iVertex++;
m_randomParticleVertexData[iVertex].vertex.x = m_randomParticleVertexData[iVertex-1].vertex.x;
m_randomParticleVertexData[iVertex].vertex.y = m_randomParticleVertexData[iVertex-1].vertex.y;
m_randomParticleVertexData[iVertex].vertex.z = m_randomParticleVertexData[iVertex-1].vertex.z;
m_randomParticleVertexData[iVertex].uva.u = 1.0f;
m_randomParticleVertexData[iVertex].uva.v = 0.0f;
iVertex++;
m_randomParticleVertexData[iVertex].vertex.x = m_randomParticleVertexData[iVertex-1].vertex.x;
m_randomParticleVertexData[iVertex].vertex.y = m_randomParticleVertexData[iVertex-1].vertex.y;
m_randomParticleVertexData[iVertex].vertex.z = m_randomParticleVertexData[iVertex-1].vertex.z;
m_randomParticleVertexData[iVertex].uva.u = 0.5f;
m_randomParticleVertexData[iVertex].uva.v = 1.0f;
iVertex++;
}
}
return m_randomParticleVertexData;
}