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#include "Bullets.h"
#include <raylib.h>
ConstantVelocitySystem::ConstantVelocitySystem() :
ConstantVelocitySystem(10000)
{
}
ConstantVelocitySystem::ConstantVelocitySystem(int reserved)
{
m_bullets.reserve(reserved);
}
void
ConstantVelocitySystem::update(const float dt)
{
const int max_height = GetScreenHeight() + MARGIN;
const int min_width = 0 - MARGIN;
const int max_width = GetScreenWidth() + MARGIN;
auto it = m_bullets.begin();
while (it != m_bullets.end()) {
auto& bullet = *it;
bullet.position.x += bullet.velocity.x * dt;
bullet.position.y += bullet.velocity.y * dt;
if (bullet.position.y > max_height || bullet.position.x < min_width || bullet.position.x > max_width)
it = m_bullets.erase(it);
else
++it;
}
}
void
ConstantVelocitySystem::draw()
{
for (const auto& bullet : m_bullets)
DrawCircle(bullet.position.x, bullet.position.y, bullet.radius, bullet.color);
}
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