1 files changed, 33 insertions, 0 deletions
diff --git a/Oscillating.cpp b/Oscillating.cpp
new file mode 100644
index 0000000..4839282
--- /dev/null
+++ b/Oscillating.cpp
@@ -0,0 +1,33 @@
+#include "Oscillating.h"
+
+#include <cmath>
+
+#include <raylib.h>
+
+#include "Generator.h"
+
+
+Oscillating::Oscillating() :
+    m_phase {0},
+    m_shift {1.6f}
+{
+}
+
+
+void
+Oscillating::update(const float dt, Vector2& position, Generator& generator)
+{
+    (void) generator;
+    m_phase += dt * 0.8f;
+    if (m_phase > 2.f)
+        m_phase -= 2.f;
+    const float cos = std::cos(m_phase * M_PI);
+    position.x += cos * m_shift;
+}
+
+
+void
+Oscillating::set_phase(const float phase)
+{
+    m_phase = phase;
+}