selected Tile is detected, weird drifting

Input/inputHandler.c

@@ -57,7 +57,7 @@ void mouseInput(InputHandler *inputHandler, Sprite *sprites, int *spriteAmount,
     inputHandler->cursorPos.x = GetMousePosition().x;
     inputHandler->cursorPos.y = GetMousePosition().y;
 
-    inputHandler->selectedTile = IsometricMapProject(map, camera, inputHandler->cursorPos.x, inputHandler->cursorPos.y);
+    IsometricMapProject(map, camera, inputHandler->cursorPos.x, inputHandler->cursorPos.y, &inputHandler->selectedTile);
 
     if(IsMouseButtonPressed(MOUSE_BUTTON_LEFT)){
         if(inputHandler->pressed == 0){

IsometricMap/isometricMap.c

@@ -62,7 +62,7 @@ Tile * IsometricMapGetTileFromArrayPosition(IsometricMap *map, int x, int y){
     return &(map->tiles[x][y]);
 }
 
-Vector2 IsometricMapProject(IsometricMap *isometricMap, Camera2D *camera, int x, int y){
+void IsometricMapProject(IsometricMap *isometricMap, Camera2D *camera, int x, int y, Vector2 *tmp){
 
     float tileWidthHalf = isometricMap->tileTextures[0].width / 2;
     float tileHeightHalf = isometricMap->tileTextures[0].height / 2;
@@ -78,9 +78,11 @@ Vector2 IsometricMapProject(IsometricMap *isometricMap, Camera2D *camera, int x,
 
 
     //Vector2 tmp = {isoX * tileWidthHalf * 2, isoY * tileHeightHalf * 2};
-    Vector2 tmp = {isoX, isoY};
+    //Vector2* tmp = (Vector2 *) malloc(sizeof(Vector2));
+    tmp->x = isoX;
+    tmp->y = isoY;
 
-    return tmp;
+    //return tmp;
 }
 
 

IsometricMap/isometricMap.h

@@ -17,8 +17,6 @@ typedef struct IsometricMap{
 // TODO:
 void IsometricMapAddTile(IsometricMap *isometricMap, int x, int y, int textureId);
 Tile * IsometricMapGetTileFromWorldCoordinates(IsometricMap *isometricMap, float x, float y);
-// Screen Coordinates -> World Coordinates 
-Vector2 IsometricMapProject(IsometricMap *isometricMap, Camera2D *camera, int x, int y);
 // World Coordinates -> Screen Coordinates
 Vector2 IsometricMapUnproject(IsometricMap *isometricMap, Camera2D *camera, int x, int y);
 
@@ -26,7 +24,8 @@ Vector2 IsometricMapUnproject(IsometricMap *isometricMap, Camera2D *camera, int
 IsometricMap * IsometricMapInit(int x, int y);
 Vector2 * IsometricMapCalcOffsetForTileAt(int x, int y, int textureSize);
 Tile * IsometricMapGetTileFromArrayPosition(IsometricMap *isometricMap, int x, int y);
-
+// Screen Coordinates -> World Coordinates 
+void IsometricMapProject(IsometricMap *isometricMap, Camera2D *camera, int x, int y, Vector2 *tmp);
 
 
 #endif

main.c

@@ -39,10 +39,10 @@ int main(){
 
         BeginMode2D(camera);
 
-        IsometricRendererRenderIsometricMap(map);
-        Vector2 tmp = IsometricMapProject(map, &camera, inputHandler.cursorPos.x, inputHandler.cursorPos.y);
+        IsometricRendererRenderIsometricMap(map, &inputHandler);
+        IsometricMapProject(map, &camera, inputHandler.cursorPos.x, inputHandler.cursorPos.y, &inputHandler.selectedTile);
 
-        printf("%f %f \n", tmp.x, tmp.y);
+        printf("%f %f \n", inputHandler.selectedTile.x, inputHandler.selectedTile.y);
 
         int i;
         for(i=0; i < spriteAmount; i++){