void BulletSpheresApp::createBuffers()
{
gl::VboMesh::Layout layout;
layout.attrib( geom::POSITION, 4 ).attrib( geom::NORMAL, 3 ).attrib( geom::TEX_COORD_0, 2 );
mAttributes = gl::VboMesh::create( geom::Sphere().subdivisions( 16 ), {{ layout, nullptr }} );
mMatrices = gl::Vbo::create( GL_ARRAY_BUFFER, (NUM_PARTICLES-2)*sizeof(mat4) );
auto bufferLayout = geom::BufferLayout();
bufferLayout.append( geom::CUSTOM_0, geom::FLOAT, 16, sizeof(mat4), 0, 1 );
mAttributes->appendVbo( bufferLayout , mMatrices );
mRenderSphere = gl::Batch::create( mAttributes, mRenderGlsl );
mShadowSphere = gl::Batch::create( mAttributes, mShadowGlsl );
}
void RandomSpawn::setupParticles()
{
mPointsParticles.clear();
mDataInstance_P = gl::Vbo::create(GL_ARRAY_BUFFER, mPointsParticles, GL_DYNAMIC_DRAW);
mAttribsInstance_P.append(geom::CUSTOM_0, 16, sizeof(CloudParticle), offsetof(CloudParticle, PModelMatrix), 1);
mAttribsInstance_P.append(geom::CUSTOM_1, 1, sizeof(CloudParticle), offsetof(CloudParticle, PSize), 1);
mAttribsInstance_P.append(geom::CUSTOM_2, 4, sizeof(CloudParticle), offsetof(CloudParticle, PColor), 1);
mMesh_P = gl::VboMesh::create(geom::Icosahedron());
mMesh_P->appendVbo(mAttribsInstance_P, mDataInstance_P);
mShader_P = gl::GlslProg::create(loadAsset("shaders/particle.vert"), loadAsset("shaders/particle.frag"));
mBatch_P = gl::Batch::create(mMesh_P, mShader_P, { { geom::CUSTOM_0, "iModelMatrix" }, { geom::CUSTOM_1, "iSize" }, { geom::CUSTOM_2, "iColor" } });
mPerlin = Perlin();
}