126 lines
4.6 KiB
C#
126 lines
4.6 KiB
C#
/*******************************************************************************************
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*
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* raylib [shapes] example - circle sector drawing
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*
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* Example complexity rating: [★★★☆] 3/4
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*
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* Example originally created with raylib 2.5, last time updated with raylib 2.5
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*
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* Example contributed by Vlad Adrian (@demizdor) and reviewed by Ramon Santamaria (@raysan5)
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*
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2018-2025 Vlad Adrian (@demizdor) and Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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using System;
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using System.Numerics;
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using static Raylib_cs.Raylib;
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namespace Examples.Shapes;
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public partial class DrawCircleSector : IExample
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{
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private const int screenWidth = 800;
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private const int screenHeight = 450;
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public string Name => "Shapes / Draw Circle Sector";
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public string Title => "raylib [shapes] example - circle sector drawing";
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private Vector2 center;
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private float outerRadius;
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private float startAngle;
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private float endAngle;
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private float segments;
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private float minSegments;
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public void Init()
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{
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center = new((GetScreenWidth() - 300) / 2.0f, GetScreenHeight() / 2.0f);
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outerRadius = 180.0f;
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startAngle = 0.0f;
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endAngle = 180.0f;
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segments = 10.0f;
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minSegments = 4;
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}
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public void Update()
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{
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// Update
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//----------------------------------------------------------------------------------
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// NOTE: All variables update happens inside GUI control functions
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(Color.RayWhite);
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DrawLine(500, 0, 500, GetScreenHeight(), Fade(Color.LightGray, 0.6f));
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DrawRectangle(500, 0, GetScreenWidth() - 500, GetScreenHeight(), Fade(Color.LightGray, 0.3f));
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DrawCircleSector(center, outerRadius, startAngle, endAngle, (int)segments, Fade(Color.Maroon, 0.3f));
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DrawCircleSectorLines(
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center,
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outerRadius,
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startAngle,
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endAngle,
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(int)segments,
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Fade(Color.Maroon, 0.6f)
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);
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// Draw GUI controls
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//------------------------------------------------------------------------------
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/*GuiSliderBar(new Rectangle( 600, 40, 120, 20), "StartAngle", TextFormat("%.2f", startAngle), ref startAngle, 0, 720);
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GuiSliderBar(new Rectangle( 600, 70, 120, 20), "EndAngle", TextFormat("%.2f", endAngle), ref endAngle, 0, 720);
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GuiSliderBar(new Rectangle( 600, 140, 120, 20), "Radius", TextFormat("%.2f", outerRadius), ref outerRadius, 0, 200);
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GuiSliderBar(new Rectangle( 600, 170, 120, 20), "Segments", TextFormat("%.2f", segments), ref segments, 0, 100);*/
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//------------------------------------------------------------------------------
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minSegments = MathF.Truncate(MathF.Ceiling((endAngle - startAngle) / 90));
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var color = (segments >= minSegments) ? Color.Maroon : Color.DarkGray;
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DrawText($"MODE: {((segments >= minSegments) ? "MANUAL" : "AUTO")}", 600, 200, 10, color);
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DrawFPS(10, 10);
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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public void Unload()
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{
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}
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public static int Main()
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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InitWindow(screenWidth, screenHeight, "raylib [shapes] example - circle sector drawing");
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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var game = new DrawCircleSector();
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game.Init();
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// Main game loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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game.Update();
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}
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game.Unload();
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// De-Initialization
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//--------------------------------------------------------------------------------------
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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}
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}
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