1 files changed, 47 insertions, 0 deletions
diff --git a/WaveGenerator.cpp b/WaveGenerator.cpp
new file mode 100644
index 0000000..5d8dd9f
--- /dev/null
+++ b/WaveGenerator.cpp
@@ -0,0 +1,47 @@
+#include "WaveGenerator.h"
+
+#include <cmath>
+#include <memory>
+#include <utility>
+
+#include <raylib.h>
+
+#include "ConstantVelocity.h"
+
+
+WaveGenerator::WaveGenerator(std::shared_ptr<Vector2> position, ConstantVelocityBullet::Vector& bullets) :
+    m_position {position},
+    m_bullets {bullets},
+    m_delay {0},
+    m_interval {0.22f},
+    m_speed {100},
+    m_shift {10},
+    m_segments {30},
+    m_color {100, 100, 240, 255}
+{
+}
+
+
+void
+WaveGenerator::update(const float dt)
+{
+    if (!m_enabled)
+        return;
+    m_delay += dt;
+    if (m_delay > m_interval) {
+        m_delay -= m_interval;
+        for (float i = 0; i < m_segments; ++i) {
+            const float angle = (2.f / m_segments * i) * M_PI;
+            const float cos = std::cos(angle);
+            const float sin = std::sin(angle);
+            ConstantVelocityBullet bullet;
+            bullet.color = m_color;
+            bullet.radius = 3;
+            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));
+        }
+    }
+}