84 lines
No EOL
3.3 KiB
C
84 lines
No EOL
3.3 KiB
C
/*******************************************************************************************
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*
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* raylib [shapes] example - draw ellipse
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*
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* Example originally created with raylib 4.2, last time updated with raylib 5.5
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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) 2022-2024 Lu Hong (@CManLH)
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*
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********************************************************************************************/
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#include "raylib.h"
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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 ellipse");
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float radiusH = 70.0f;
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float radiusV = 100.0f;
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Vector2 ellipseCenter = (Vector2){200, 100};
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Color ellipseColor = SKYBLUE;
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Vector2 ellipseLineCenter = (Vector2){200, 325};
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Color ellipseLineColor = DARKGREEN;
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Vector2 rotationEllipseCenter = (Vector2){460, 100};
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Color rotationEllipseColor = GREEN;
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Vector2 rotationEllipseLineCenter = (Vector2){460, 325};
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Color rotationEllipseLineColor = RED;
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float angle = PI / 6.0f;
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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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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(RAYWHITE);
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// Draw ellipse
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DrawEllipse(ellipseCenter.x, ellipseCenter.y, radiusH, radiusV, ellipseColor);
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DrawText("Ellipse!", ellipseCenter.x - 35, ellipseCenter.y, 20, BLACK);
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// Draw ellipse outline
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DrawEllipseLines(ellipseLineCenter.x, ellipseLineCenter.y, radiusH, radiusV, ellipseLineColor);
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DrawText("Ellipse Outline", ellipseLineCenter.x - radiusH, ellipseLineCenter.y, 20, BLACK);
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// Draw ellipse with rotation
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DrawEllipseRotation(rotationEllipseCenter.x, rotationEllipseCenter.y, radiusH, radiusV, rotationEllipseColor, angle);
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DrawText("Rotation Ellipse", rotationEllipseCenter.x - radiusH - 35, rotationEllipseCenter.y, 20, BLACK);
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// Draw ellipse outline with rotation
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DrawEllipseLinesRotation(rotationEllipseLineCenter.x, rotationEllipseLineCenter.y, radiusH, radiusV, rotationEllipseLineColor, angle);
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DrawText("Rotation Ellipse outline", rotationEllipseLineCenter.x - radiusH - 35, rotationEllipseLineCenter.y, 20, BLACK);
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EndDrawing();
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//----------------------------------------------------------------------------------
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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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} |