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Update/merge examples back into main repo (#192)

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Chris Dill
2023-08-25 08:08:32 +01:00
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commit bcdf8cec5b
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Examples/Shapes/RectangleScaling.cs Normal file
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/*******************************************************************************************
*
* raylib [shapes] example - rectangle scaling by mouse
*
* This example has been created using raylib 2.5 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Example contributed by Vlad Adrian (@demizdor) and reviewed by Ramon Santamaria (@raysan5)
*
* Copyright (c) 2018 Vlad Adrian (@demizdor) and Ramon Santamaria (@raysan5)
*
********************************************************************************************/
using System.Numerics;
using static Raylib_cs.Raylib;
namespace Examples.Shapes;
public class RectangleScaling
{
public const int MOUSE_SCALE_MARK_SIZE = 12;
public static int Main()
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [shapes] example - rectangle scaling mouse");
Rectangle rec = new(100, 100, 200, 80);
Vector2 mousePosition = new(0, 0);
bool mouseScaleReady = false;
bool mouseScaleMode = false;
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose())
{
// Update
//----------------------------------------------------------------------------------
mousePosition = GetMousePosition();
Rectangle area = new(
rec.X + rec.Width - MOUSE_SCALE_MARK_SIZE,
rec.Y + rec.Height - MOUSE_SCALE_MARK_SIZE,
MOUSE_SCALE_MARK_SIZE,
MOUSE_SCALE_MARK_SIZE
);
if (CheckCollisionPointRec(mousePosition, rec) &&
CheckCollisionPointRec(mousePosition, area))
{
mouseScaleReady = true;
if (IsMouseButtonPressed(MouseButton.MOUSE_LEFT_BUTTON))
{
mouseScaleMode = true;
}
}
else
{
mouseScaleReady = false;
}
if (mouseScaleMode)
{
mouseScaleReady = true;
rec.Width = (mousePosition.X - rec.X);
rec.Height = (mousePosition.Y - rec.Y);
if (rec.Width < MOUSE_SCALE_MARK_SIZE)
{
rec.Width = MOUSE_SCALE_MARK_SIZE;
}
if (rec.Height < MOUSE_SCALE_MARK_SIZE)
{
rec.Height = MOUSE_SCALE_MARK_SIZE;
}
if (IsMouseButtonReleased(MouseButton.MOUSE_LEFT_BUTTON))
{
mouseScaleMode = false;
}
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(Color.RAYWHITE);
DrawText("Scale rectangle dragging from bottom-right corner!", 10, 10, 20, Color.GRAY);
DrawRectangleRec(rec, ColorAlpha(Color.GREEN, 0.5f));
if (mouseScaleReady)
{
DrawRectangleLinesEx(rec, 1, Color.RED);
DrawTriangle(
new Vector2(rec.X + rec.Width - MOUSE_SCALE_MARK_SIZE, rec.Y + rec.Height),
new Vector2(rec.X + rec.Width, rec.Y + rec.Height),
new Vector2(rec.X + rec.Width, rec.Y + rec.Height - MOUSE_SCALE_MARK_SIZE),
Color.RED
);
}
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow();
//--------------------------------------------------------------------------------------
return 0;
}
}