+ Initial commit. Added source, sprites and final executable.

1 files changed, 150 insertions, 0 deletions

diff --git a/Camera.c b/Camera.c
new file mode 100644
index 0000000..ba99741
--- /dev/null
+++ b/Camera.c
@@ -0,0 +1,150 @@
+/* *************************************
+ * 	Includes
+ * *************************************/
+
+#include "Camera.h"
+
+/* *************************************
+ * 	Defines
+ * *************************************/
+
+#define SPEED_CALCULATION_TIME 3
+#define MAX_CAMERA_SPEED 5
+#define MIN_CAMERA_SPEED 1
+
+/* *************************************
+ * 	Local Prototypes
+ * *************************************/
+
+static void CameraUpdateSpeed(TYPE_CAMERA * ptrCamera);
+static bool CameraSpecialConditions(TYPE_CAMERA * ptrCamera);
+
+void CameraInit(TYPE_CAMERA * ptrCamera)
+{
+	ptrCamera->X_Offset = 0;
+	ptrCamera->Y_Offset = 0;
+	ptrCamera->X_Speed = 0;
+	ptrCamera->Y_Speed = 0;
+	ptrCamera->Speed_Timer = SPEED_CALCULATION_TIME;
+}
+
+void CameraApplyCoordinatesToSprite(TYPE_CAMERA * ptrCamera,
+									TYPE_SPRITE * spr,
+									uint16_t x,
+									uint16_t y		)
+{
+	spr->x = (uint8_t)(x + ptrCamera->X_Offset);
+	spr->y = (uint8_t)(y + ptrCamera->Y_Offset);
+}
+
+void CameraUpdateSpeed(TYPE_CAMERA * ptrCamera)
+{
+	if(PadDirectionKeyPressed() == true)
+	{
+		if(PadButtonPressed(PAD_LEFT) == true)
+		{
+			if(ptrCamera->X_Speed < 0)
+			{
+				ptrCamera->X_Speed += 2;
+			}
+			else if(ptrCamera->X_Speed < MAX_CAMERA_SPEED)
+			{
+				ptrCamera->X_Speed++;
+			}
+		}
+			
+		if(PadButtonPressed(PAD_UP) == true)
+		{
+			if(ptrCamera->Y_Speed < 0)
+			{
+				ptrCamera->Y_Speed += 2;
+			}
+			else if(ptrCamera->Y_Speed < MAX_CAMERA_SPEED)
+			{
+				ptrCamera->Y_Speed++;
+			}
+		}
+			
+		if(PadButtonPressed(PAD_DOWN) == true)
+		{
+			if(ptrCamera->Y_Speed > 0)
+			{
+				ptrCamera->Y_Speed -= 2;
+			}
+			else if(ptrCamera->Y_Speed > -MAX_CAMERA_SPEED)
+			{
+				ptrCamera->Y_Speed--;
+			}
+		}
+		
+		if(PadButtonPressed(PAD_RIGHT) == true)
+		{
+			if(ptrCamera->X_Speed > 0)
+			{
+				ptrCamera->X_Speed -= 2;
+			}
+			else if(ptrCamera->X_Speed > -MAX_CAMERA_SPEED)
+			{
+				ptrCamera->X_Speed--;
+			}
+		}
+	}
+
+	if(	(PadButtonPressed(PAD_LEFT) == false)
+			&&
+		(PadButtonPressed(PAD_RIGHT) == false)	)
+	{
+		if(ptrCamera->X_Speed > 0)
+		{
+			ptrCamera->X_Speed--;
+		}
+		else if(ptrCamera->X_Speed < 0)
+		{
+			ptrCamera->X_Speed++;
+		}
+	}
+	
+	if(	(PadButtonPressed(PAD_UP) == false)
+			&&
+		(PadButtonPressed(PAD_DOWN) == false)	)
+	{		
+		if(ptrCamera->Y_Speed > 0)
+		{
+			ptrCamera->Y_Speed--;
+		}
+		else if(ptrCamera->Y_Speed < 0)
+		{
+			ptrCamera->Y_Speed++;
+		}
+	}
+}
+
+void CameraHandler(TYPE_CAMERA * ptrCamera)
+{
+	
+	if(CameraSpecialConditions(ptrCamera) == true)
+	{
+		ptrCamera->X_Speed = 0;
+		ptrCamera->Y_Speed = 0;
+		return;
+	}
+	
+	if(ptrCamera->Speed_Timer < SPEED_CALCULATION_TIME)
+	{
+		ptrCamera->Speed_Timer++;
+	}
+	else
+	{
+		ptrCamera->Speed_Timer = 0;
+		CameraUpdateSpeed(ptrCamera);
+	}
+	
+	ptrCamera->X_Offset += ptrCamera->X_Speed;
+	ptrCamera->Y_Offset += ptrCamera->Y_Speed;
+}
+
+bool CameraSpecialConditions(TYPE_CAMERA * ptrCamera)
+{
+	
+	return false;
+}