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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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Examples/Shapes/DrawRing.cs Normal file
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/*******************************************************************************************
*
* raylib [shapes] example - draw ring (with gui options)
*
* 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;
using System.Numerics;
using static Raylib_cs.Raylib;
namespace Examples.Shapes;
public class DrawRing
{
public static int Main()
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [shapes] example - draw ring");
Vector2 center = new((GetScreenWidth() - 300) / 2, GetScreenHeight() / 2);
float innerRadius = 80.0f;
float outerRadius = 190.0f;
int startAngle = 0;
int endAngle = 360;
int segments = 0;
int minSegments = 4;
bool drawRing = true;
bool drawRingLines = false;
bool drawCircleLines = false;
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose())
{
// Update
//----------------------------------------------------------------------------------
// NOTE: All variables update happens inside GUI control functions
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(Color.RAYWHITE);
DrawLine(500, 0, 500, GetScreenHeight(), ColorAlpha(Color.LIGHTGRAY, 0.6f));
DrawRectangle(500, 0, GetScreenWidth() - 500, GetScreenHeight(), ColorAlpha(Color.LIGHTGRAY, 0.3f));
if (drawRing)
{
DrawRing(
center,
innerRadius,
outerRadius,
startAngle,
endAngle,
segments,
ColorAlpha(Color.MAROON, 0.3f)
);
}
if (drawRingLines)
{
DrawRingLines(
center,
innerRadius,
outerRadius,
startAngle,
endAngle,
segments,
ColorAlpha(Color.BLACK, 0.4f)
);
}
if (drawCircleLines)
{
DrawCircleSectorLines(
center,
outerRadius,
startAngle,
endAngle,
segments,
ColorAlpha(Color.BLACK, 0.4f)
);
}
// Draw GUI controls
//------------------------------------------------------------------------------
/*startAngle = GuiSliderBar(new Rectangle( 600, 40, 120, 20 ), "StartAngle", startAngle, -450, 450, true);
endAngle = GuiSliderBar(new Rectangle( 600, 70, 120, 20 ), "EndAngle", endAngle, -450, 450, true);
innerRadius = GuiSliderBar(new Rectangle( 600, 140, 120, 20 ), "InnerRadius", innerRadius, 0, 100, true);
outerRadius = GuiSliderBar(new Rectangle( 600, 170, 120, 20 ), "OuterRadius", outerRadius, 0, 200, true);
segments = GuiSliderBar(new Rectangle( 600, 240, 120, 20 ), "Segments", segments, 0, 100, true);
drawRing = GuiCheckBox(new Rectangle( 600, 320, 20, 20 ), "Draw Ring", drawRing);
drawRingLines = GuiCheckBox(new Rectangle( 600, 350, 20, 20 ), "Draw RingLines", drawRingLines);
drawCircleLines = GuiCheckBox(new Rectangle( 600, 380, 20, 20 ), "Draw CircleLines", drawCircleLines);*/
//------------------------------------------------------------------------------
minSegments = (int)MathF.Ceiling((endAngle - startAngle) / 90);
Color color = (segments >= minSegments) ? Color.MAROON : Color.DARKGRAY;
DrawText($"MODE: {((segments >= minSegments) ? "MANUAL" : "AUTO")}", 600, 270, 10, color);
DrawFPS(10, 10);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow();
//--------------------------------------------------------------------------------------
return 0;
}
}