Condense functions.

olcCodeJam2023Entry/ImageManager.h

@@ -0,0 +1,8 @@
+#pragma once
+#include "olcPixelGameEngine.h"
+
+class ImageManager{
+public:
+	Renderable VIRUS_IMG1;
+	Renderable SELECTION_CIRCLE;
+};

olcCodeJam2023Entry/VirusAttack.cpp

@@ -27,8 +27,7 @@ bool VirusAttack::OnUserCreate(){
 	return true;
 }
 
-bool VirusAttack::OnUserUpdate(float fElapsedTime){
-	// Called once per frame, draws random coloured pixels
+void VirusAttack::HandleDraggingSelection(){
 	if(GetMouse(0).bPressed){
 		for(std::unique_ptr<Unit>&u:units){
 			u->Deselect();
@@ -51,6 +50,16 @@ bool VirusAttack::OnUserUpdate(float fElapsedTime){
 		}
 		startingDragPos=CONSTANT::UNSELECTED;
 	}
+}
+
+void VirusAttack::DrawSelectionRectangle(){
+	if(startingDragPos!=CONSTANT::UNSELECTED){
+		FillRectDecal(startingDragPos,GetMousePos()-startingDragPos,{255,255,0,128});
+	}
+}
+
+bool VirusAttack::OnUserUpdate(float fElapsedTime){
+	HandleDraggingSelection();
 
 	for(std::unique_ptr<Unit>&u:units){
 		u->Update(fElapsedTime);
@@ -60,9 +69,8 @@ bool VirusAttack::OnUserUpdate(float fElapsedTime){
 		u->Draw(this);
 	}
 
-	if(startingDragPos!=CONSTANT::UNSELECTED){
-		FillRectDecal(startingDragPos,GetMousePos()-startingDragPos,{255,255,0,128});
-	}
+	DrawSelectionRectangle();
+
 	return true;
 }
 

olcCodeJam2023Entry/VirusAttack.h

@@ -8,6 +8,8 @@ private:
 	std::vector<std::unique_ptr<Unit>>units;
 
 	vf2d startingDragPos=CONSTANT::UNSELECTED;
+	void HandleDraggingSelection();
+	void DrawSelectionRectangle();
 
 public:
 	VirusAttack();