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88 lines
3.9 KiB
88 lines
3.9 KiB
/*******************************************************************************************
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*
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* raylib [shapes] example - draw circle sector (with gui options)
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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) 2018-2024 Vlad Adrian (@demizdor) and Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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#include <raylib.h>
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#define RAYGUI_IMPLEMENTATION
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#include "raygui.h" // Required for GUI controls
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//------------------------------------------------------------------------------------
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// Program main entry point
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//------------------------------------------------------------------------------------
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int main(void)
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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const int screenWidth = 800;
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const int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [shapes] example - draw circle sector");
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Vector2 center = {(GetScreenWidth() - 300)/2.0f, GetScreenHeight()/2.0f };
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float outerRadius = 180.0f;
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float startAngle = 0.0f;
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float endAngle = 180.0f;
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float segments = 10.0f;
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float minSegments = 4;
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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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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// 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(RAYWHITE);
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DrawLine(500, 0, 500, GetScreenHeight(), Fade(LIGHTGRAY, 0.6f));
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DrawRectangle(500, 0, GetScreenWidth() - 500, GetScreenHeight(), Fade(LIGHTGRAY, 0.3f));
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DrawCircleSector(center, outerRadius, startAngle, endAngle, (int)segments, Fade(MAROON, 0.3f));
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DrawCircleSectorLines(center, outerRadius, startAngle, endAngle, (int)segments, Fade(MAROON, 0.6f));
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// Draw GUI controls
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//------------------------------------------------------------------------------
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GuiSliderBar((Rectangle){ 600, 40, 120, 20}, "StartAngle", TextFormat("%.2f", startAngle), &startAngle, 0, 720);
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GuiSliderBar((Rectangle){ 600, 70, 120, 20}, "EndAngle", TextFormat("%.2f", endAngle), &endAngle, 0, 720);
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GuiSliderBar((Rectangle){ 600, 140, 120, 20}, "Radius", TextFormat("%.2f", outerRadius), &outerRadius, 0, 200);
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GuiSliderBar((Rectangle){ 600, 170, 120, 20}, "Segments", TextFormat("%.2f", segments), &segments, 0, 100);
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//------------------------------------------------------------------------------
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minSegments = truncf(ceilf((endAngle - startAngle) / 90));
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DrawText(TextFormat("MODE: %s", (segments >= minSegments)? "MANUAL" : "AUTO"), 600, 200, 10, (segments >= minSegments)? MAROON : DARKGRAY);
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DrawFPS(10, 10);
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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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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