1 files changed, 63 insertions, 0 deletions
diff --git a/src/rocks.cpp b/src/rocks.cpp
new file mode 100644
index 0000000..7c3c13e
--- /dev/null
+++ b/src/rocks.cpp
@@ -0,0 +1,63 @@
+#include "rocks.h"
+#include "uiDraw.h"
+#include <cmath>
+#define M_PI 3.14159265
+
+// Destroy Big Rock and return vector of new *rocks
+vector<Rock *> BigRock :: destroy()
+{
+   vector<Rock *> rocks;
+   Velocity rockVel = this->velocity;
+   Point rockPoint = this->point;
+   
+   rockVel.addDy ( 1 );
+   rocks.push_back ( new MediumRock ( rockPoint , rockVel ) );
+
+   rockVel.addDy ( -2 ); // Original rockvel dy - 1
+   rocks.push_back ( new MediumRock ( rockPoint , rockVel ) );
+
+   rockVel.addDy ( 1 ); // Original rockvel dy
+   rockVel.addDx ( (float) random ( 1.0 , 3.0 ) );
+   rocks.push_back ( new SmallRock ( rockPoint , rockVel ) );
+
+   return rocks;
+}
+
+// Draw big rock
+void BigRock :: draw()
+{
+   drawLargeAsteroid ( this->point , this->angle );
+}
+
+// Destroy Medium Rock and return vector of new *rocks
+vector<Rock *> MediumRock :: destroy()
+{
+   vector<Rock *> rocks;
+   Velocity rockVel = this->velocity;
+   Point rockPoint = this->point;
+
+   rockVel.addDx ( 3 );
+   rocks.push_back ( new SmallRock ( rockPoint , rockVel ) );
+   rockVel.addDx ( -6 );
+   rocks.push_back ( new SmallRock ( rockPoint , rockVel ) );
+
+   return rocks;
+}
+
+// Draw Medium Rock
+void MediumRock :: draw()
+{
+   drawMediumAsteroid ( this->point , this->angle );
+}
+
+// Destroy Small Rock and return an empty *rock vector
+vector<Rock *> SmallRock :: destroy()
+{
+   return vector<Rock *>();
+}
+
+// Draw small rock
+void SmallRock :: draw()
+{
+   drawSmallAsteroid ( this->point , this->angle );
+}