Add spiral generator

2 files changed, 87 insertions, 0 deletions

diff --git a/SpiralGenerator.cpp b/SpiralGenerator.cpp
new file mode 100644
index 0000000..ea3268f
--- /dev/null
+++ b/SpiralGenerator.cpp
@@ -0,0 +1,57 @@
+#include "SpiralGenerator.h"
+
+#include <cmath>
+#include <memory>
+#include <utility>
+
+#include <raylib.h>
+
+#include "Spiral.h"
+
+
+SpiralGenerator::SpiralGenerator(std::shared_ptr<Vector2> position, SpiralBullet::Vector& bullets) :
+    m_position {position},
+    m_bullets {bullets},
+    m_delay {0},
+    m_interval {0.08f},
+    m_cone {0.4f},
+    m_angle {1.0f},
+    m_redirect {0.1f},
+    float timer {0f},
+    float redirect_time {1f},
+    float redirect_decrease {0.2f},
+    m_direction {-1.f},
+    m_speed {80},
+    m_shift {10},
+    m_segments {1},
+    m_color {240, 0, 0, 255}
+{
+}
+
+
+void
+SpiralGenerator::update(const float dt)
+{
+    if (!m_enabled)
+        return;
+    m_delay += dt;
+    if (m_delay > m_interval) {
+        m_delay -= m_interval;
+        m_color.g = 0;
+        for (float i = 0; i <= m_segments; ++i) {
+            SpiralBullet bullet;
+            bullet.color = m_color;
+            bullet.radius = 3;
+            bullet.velocity = m_speed;
+            bullet.position.x = m_position->x + cos * m_shift;
+            bullet.position.y = m_position->y + sin * m_shift;
+            bullet.angle = m_angle;
+            bullet.redirect = m_redirect;
+            bullet.timer = m_timer;
+            bullet.redirect_time = m_redirect_time;
+            bullet.redirect_decrease = m_redirect_decrease;
+            m_bullets.push_back(std::move(bullet));
+            m_color.g += 20;
+        }
+    }
+}
diff --git a/SpiralGenerator.h b/SpiralGenerator.h
new file mode 100644
index 0000000..25fe9ba
--- /dev/null
+++ b/SpiralGenerator.h
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <memory>
+
+#include <raylib.h>
+
+#include "Spiral.h"
+#include "Generator.h"
+
+
+class SpiralGenerator : public Generator
+{
+public:
+    friend class EnemyFactory;
+    SpiralGenerator(std::shared_ptr<Vector2> position, SpiralBullet::Vector& bullets);
+    void update(float dt) override;
+private:
+    std::shared_ptr<Vector2> m_position;
+    SpiralBullet::Vector& m_bullets;
+    float m_delay;
+    float m_interval;
+    int m_speed;
+    float m_angle;
+    float m_redirect;
+    float m_timer;
+    float m_redirect_time;
+    float m_redirect_decrease;
+    int m_segments;
+    Color m_color;
+};