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96 lines
3.8 KiB
96 lines
3.8 KiB
/*******************************************************************************************
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*
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* raylib [shapes] example - dashed line
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*
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* Example complexity rating: [★☆☆☆] 1/4
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*
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* Example originally created with raylib 5.5, last time updated with raylib 5.5
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*
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* Example contributed by Luís Almeida (@luis605)
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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) 2025 Luís Almeida (@luis605)
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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 - dashed line");
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// Line Properties
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Vector2 lineStartPosition = { 20.0f, 50.0f };
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Vector2 lineEndPosition = { 780.0f, 400.0f };
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float dashLength = 25.0f;
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float blankLength = 15.0f;
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// Color selection
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Color lineColors[] = { RED, ORANGE, GOLD, GREEN, BLUE, VIOLET, PINK, BLACK };
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int colorIndex = 0;
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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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lineEndPosition = GetMousePosition(); // Line endpoint follows the mouse
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// Change Dash Length (UP/DOWN arrows)
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if (IsKeyDown(KEY_UP)) dashLength += 1.0f;
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if (IsKeyDown(KEY_DOWN) && dashLength > 1.0f) dashLength -= 1.0f;
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// Change Space Length (LEFT/RIGHT arrows)
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if (IsKeyDown(KEY_RIGHT)) blankLength += 1.0f;
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if (IsKeyDown(KEY_LEFT) && blankLength > 1.0f) blankLength -= 1.0f;
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// Cycle through colors ('C' key)
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if (IsKeyPressed(KEY_C)) colorIndex = (colorIndex + 1)%(sizeof(lineColors)/sizeof(Color));
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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 the dashed line with the current properties
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DrawLineDashed(lineStartPosition, lineEndPosition, dashLength, blankLength, lineColors[colorIndex]);
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// Draw UI and Instructions
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DrawRectangle(5, 5, 265, 95, Fade(SKYBLUE, 0.5f));
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DrawRectangleLines(5, 5, 265, 95, BLUE);
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DrawText("CONTROLS:", 15, 15, 10, BLACK);
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DrawText("UP/DOWN: Change Dash Length", 15, 35, 10, BLACK);
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DrawText("LEFT/RIGHT: Change Space Length", 15, 55, 10, BLACK);
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DrawText("C: Cycle Color", 15, 75, 10, BLACK);
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DrawText(TextFormat("Dash: %.0f | Space: %.0f", dashLength, blankLength), 15, 115, 10, DARKGRAY);
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DrawFPS(screenWidth - 80, 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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