void Bullet::initialize( int id,
const Vector3& from,
const Vector3& angle,
const Robo* shooter,
const Robo* opponent,
bool is_homing)
{
assert(id >= 0);
owner_id_ = id;
age_ = 0;
is_homing_ = is_homing;
previous_point_ = from;
current_point_ = from;
if (!is_homing_)
{
Matrix44 rotation;
rotation.rotate(angle);
velocity_ = Vector3(0.0, 0.0, Speed0);
rotation.multiply(&velocity_);
}
else
{
velocity_ = *opponent->center();
velocity_.subtract(from);
velocity_.normalize(Speed0);
}
shooter_ = shooter;
target_robo_ = opponent;
}
//what to do when the image has to be draw
void Game::render(void)
{
//set the clear color (the background color)
glClearColor(0.0, 0.0, 0.0, 1.0);
// Clear the window and the depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//set the camera as default
camera->enable();
//set flags
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
glDisable(GL_CULL_FACE);
//create model matrix for cube
Matrix44 m;
m.rotate(time, Vector3(0, 1, 0));
if(shader)
{
//enable shader
shader->enable();
//upload uniforms
shader->setUniform("u_color", Vector4(1,1,1,1));
shader->setUniform("u_viewprojection", camera->viewprojection_matrix );
shader->setUniform("u_texture", texture);
shader->setUniform("u_model", m);
shader->setUniform("u_time", time);
//do the draw call
mesh->render( GL_TRIANGLES );
//disable shader
shader->disable();
}
//Draw the floor grid
drawGrid();
//render the FPS, Draw Calls, etc
drawText(2, 2, getGPUStats(), Vector3(1, 1, 1), 2);
//swap between front buffer and back buffer
SDL_GL_SwapWindow(this->window);
}