void Billboard::draw(struct MyMesh* mesh, VSShaderLib& shader, GLint& pvm_uniformId, GLint& vm_uniformId, GLint& normal_uniformId, GLint& texMode_uniformId, int *objId){
float modelview[16];
float pos[3];
//pos[0] = getPosX(); pos[1] = getPosY(); pos[2] = getPosZ();
float cam[3];
cam[0] = getCamX(); cam[1] = getCamY(); cam[2] = getCamZ();
GLint loc;
//Draw trees billboards
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glUniform1i(texMode_uniformId, 1); // draw textured quads
for(int j = 1; j < 3; j++) {
pushMatrix(MODEL);
translate(MODEL,-7.0,0.0,-10.0+j*5);
pos[0] = -7.0; pos[1] = 0; pos[2] = -10.0+j*5;
if (getType() == 2){
l3dBillboardSphericalBegin(cam,pos);
}
else if (getType() == 3){
l3dBillboardCylindricalBegin(cam,pos);
}
*objId=17; //quad for tree
//diffuse and ambient color are not used in the tree quads
loc = glGetUniformLocation(shader.getProgramIndex(), "mat.specular");
glUniform4fv(loc, 1, mesh[*objId].mat.specular);
loc = glGetUniformLocation(shader.getProgramIndex(), "mat.shininess");
glUniform1f(loc,mesh[*objId].mat.shininess);
pushMatrix(MODEL);
translate(MODEL, 0.0, 3.0, 0.0f);
// send matrices to OGL
if (getType() == 0 || getType() == 1) { //Cheating matrix reset billboard techniques
computeDerivedMatrix(VIEW_MODEL);
memcpy(modelview, mCompMatrix[VIEW_MODEL], sizeof(float) * 16); //save VIEW_MODEL in modelview matrix
//reset VIEW_MODEL
if(getType()==0){
BillboardCheatSphericalBegin();
}
else{
BillboardCheatCylindricalBegin();
}
computeDerivedMatrix_PVM(); // calculate PROJ_VIEW_MODEL
}
else computeDerivedMatrix(PROJ_VIEW_MODEL);
glUniform1i(texMode_uniformId, 13);
glUniformMatrix4fv(vm_uniformId, 1, GL_FALSE, mCompMatrix[VIEW_MODEL]);
glUniformMatrix4fv(pvm_uniformId, 1, GL_FALSE, mCompMatrix[PROJ_VIEW_MODEL]);
computeNormalMatrix3x3();
glUniformMatrix3fv(normal_uniformId, 1, GL_FALSE, mNormal3x3);
glBindVertexArray(mesh[*objId].vao);
glDrawElements(mesh[*objId].type,mesh[*objId].numIndexes, GL_UNSIGNED_INT, 0);
popMatrix(MODEL);
popMatrix(MODEL);
}
glDisable(GL_BLEND);
}
void Model_Complex::update_collision_boxes_position(){
for (int i = 0; i < collision_boxes.size(); i++){
collision_boxes.at(i)->set_position(posX + getCamX(), posY + getCamY(), posZ+ getCamZ());
}
}
