Implemented zooming and minimap navigation.

olcCodeJam2023Entry/VirusAttack.cpp

@@ -34,15 +34,18 @@ bool VirusAttack::OnUserCreate(){
 }
 
 void VirusAttack::HandleDraggingSelection(){
+	auto NotClickingOnMinimap=[&](){return !(GetMouseX()>=ScreenWidth()-64&&GetMouseY()>=ScreenHeight()-64);};
 	if(GetMouse(0).bPressed){
-		for(auto&u:units){
-			u->Deselect();
-		}
-		if(startingDragPos==CONSTANT::UNSELECTED){
-			startingDragPos=GetWorldMousePos();
+		if(NotClickingOnMinimap()){
+			for(auto&u:units){
+				u->Deselect();
+			}
+			if(startingDragPos==CONSTANT::UNSELECTED){
+				startingDragPos=GetWorldMousePos();
+			}
 		}
 	}
-	if(GetMouse(0).bReleased){
+	if(GetMouse(0).bReleased&&startingDragPos!=CONSTANT::UNSELECTED){
 		vf2d endDragPos=GetWorldMousePos();
 		if(endDragPos.x<startingDragPos.x){std::swap(startingDragPos.x,endDragPos.x);}
 		if(endDragPos.y<startingDragPos.y){std::swap(startingDragPos.y,endDragPos.y);}
@@ -160,10 +163,18 @@ void VirusAttack::HandlePanAndZoom(float fElapsedTime){
 		}
 }
 
+void VirusAttack::HandleMinimapClick(){
+	if(startingDragPos==CONSTANT::UNSELECTED&&GetMouse(0).bHeld&&GetMouseX()>=ScreenWidth()-64&&GetMouseY()>=ScreenHeight()-64){
+		vf2d minimapTL=GetScreenSize()-vf2d{64,64};
+		game.SetWorldOffset(vf2d(GetMousePos()-minimapTL)/64*CONSTANT::WORLD_SIZE*CONSTANT::TILE_SIZE-vf2d(GetScreenSize())/game.GetWorldScale()/2.f);
+	}
+}
+
 bool VirusAttack::OnUserUpdate(float fElapsedTime){
 	HandleDraggingSelection();
 	HandleRightClickMove();
 	HandlePanAndZoom(fElapsedTime);
+	HandleMinimapClick();
 
 	for(auto&u:units){
 		Unit*closestUnit=nullptr;

olcCodeJam2023Entry/VirusAttack.h

@@ -21,6 +21,7 @@ private:
 	vf2d GetWorldMousePos();
 	void HandlePanAndZoom(float fElapsedTime);
 	void DrawMinimap();
+	void HandleMinimapClick();
 
 public:
 	VirusAttack();