From f23eaec9e3971dfb5c4100f575a866267b6c48cb Mon Sep 17 00:00:00 2001
From: Jonathan Hager <mail@hager-jonathan.de>
Date: Mon, 21 Nov 2022 21:07:10 +0100
Subject: [PATCH] Rect drawing now working

---
 inputHandler.c | 31 ++++++++++++++++++++++++-------
 inputHandler.h |  2 ++
 2 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/inputHandler.c b/inputHandler.c
index 7ad9785..1012804 100644
--- a/inputHandler.c
+++ b/inputHandler.c
@@ -20,13 +20,7 @@ void mouseInput(InputHandler *inputHandler, Sprite *sprites, int *spriteAmount,
     }
 
     if(inputHandler->pressed){
-        float width = GetMousePosition().x - inputHandler->rectStart.x;
-        float height = GetMousePosition().y - inputHandler->rectStart.y;
-        if(width + height > 1){
-            //TODO: Fallunterscheidung für negative width / height?
-            //      Auslagern in eigene Funktion
-            DrawRectangleLines(inputHandler->rectStart.x, inputHandler->rectStart.y, width, height, GREEN);
-        }
+        DrawRect(inputHandler->rectStart, &(inputHandler->cursorPos));
     }
 
     if(IsMouseButtonReleased(MOUSE_BUTTON_LEFT)){
@@ -61,4 +55,27 @@ void keyboardInput(InputHandler *inputHandler, Camera2D *camera){
     if(IsKeyDown(KEY_A)){
         (*camera).target.x -= 100.0f * GetFrameTime();
     }
+}
+
+void DrawRect(Vector2 rectStart, Vector2 *mousePosition){
+    
+    float width = GetMousePosition().x - rectStart.x;
+    float height = GetMousePosition().y - rectStart.y;
+
+    if(width < 0 && height >= 0){
+        width *= -1;
+        rectStart.x -= width;
+    }
+    else if(height < 0 && width >= 0){
+        height *= -1;
+        rectStart.y -= height;
+    }
+    else if(height < 0 && width < 0){
+        height *= -1;
+        width *= -1;
+        rectStart.x -= width;
+        rectStart.y -= height;
+    }
+
+    DrawRectangleLines(rectStart.x, rectStart.y, width, height, GREEN);
 }
\ No newline at end of file
diff --git a/inputHandler.h b/inputHandler.h
index 5cda884..a13c63d 100644
--- a/inputHandler.h
+++ b/inputHandler.h
@@ -13,4 +13,6 @@ void mouseInput(InputHandler *inputHandler, Sprite *sprites, int *spriteAmount,
 
 void keyboardInput(InputHandler *inputHandler, Camera2D *camera);
 
+void DrawRect(Vector2 rectStart, Vector2 *mousePosition);
+
 #endif
\ No newline at end of file