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#include "ArcGenerator.h"
#include <cmath>
#include <memory>
#include <utility>
#include <raylib.h>
#include "ConstantVelocity.h"
ArcGenerator::ArcGenerator(std::shared_ptr<Vector2> position, ConstantVelocityBullet::Vector& bullets) :
m_position {position},
m_bullets {bullets},
m_delay {0},
m_interval {0.22f},
m_arc {2.f},
m_angle {0},
m_rotation {0},
m_radius {3},
m_last {false},
m_speed {80},
m_shift {10},
m_segments {30},
m_color {100, 100, 240, 255}
{
}
void
ArcGenerator::update(const float dt)
{
if (!m_enabled)
return;
m_delay += dt;
m_angle += m_rotation * dt;
const int segments = m_last ? m_segments + 1 : m_segments;
if (m_delay > m_interval) {
m_delay -= m_interval;
for (float i = 0; i < segments; ++i) {
const float angle = (m_angle - m_arc / 2 + m_arc * i / m_segments) * M_PI;
const float cos = std::cos(angle);
const float sin = std::sin(angle);
ConstantVelocityBullet bullet;
bullet.color = m_color;
bullet.radius = m_radius;
bullet.velocity.x = cos * m_speed;
bullet.velocity.y = sin * m_speed;
bullet.position.x = m_position->x + cos * m_shift;
bullet.position.y = m_position->y + sin * m_shift;
m_bullets.push_back(std::move(bullet));
}
}
}
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