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94 lines
3.6 KiB
94 lines
3.6 KiB
/*******************************************************************************************
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*
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* raylib example 06a - Color selection by mouse (collision detection)
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*
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* This example has been created using raylib 1.0 (www.raylib.com)
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* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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*
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* Copyright (c) 2013 Ramon Santamaria (Ray San - raysan@raysanweb.com)
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*
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********************************************************************************************/
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#include "raylib.h"
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int main()
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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int screenWidth = 800;
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int screenHeight = 400;
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Color colors[21] = { DARKGRAY, MAROON, ORANGE, DARKGREEN, DARKBLUE, DARKPURPLE, DARKBROWN,
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GRAY, RED, GOLD, LIME, BLUE, VIOLET, BROWN, LIGHTGRAY, PINK, YELLOW,
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GREEN, SKYBLUE, PURPLE, BEIGE };
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Rectangle recs[21]; // Rectangles array
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// Fills recs data (for every rectangle)
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for (int i = 0; i < 21; i++)
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{
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recs[i].x = 20 + 100*(i%7) + 10*(i%7);
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recs[i].y = 40 + 100*(i/7) + 10*(i/7);
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recs[i].width = 100;
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recs[i].height = 100;
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}
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bool selected[21] = { false }; // Selected rectangles indicator
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Vector2 mousePoint;
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InitWindowEx(screenWidth, screenHeight, "raylib example 06a - color selection", false, "resources/mouse.png");
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SetTargetFPS(60);
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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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mousePoint = GetMousePosition();
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for (int i = 0; i < 21; i++) // Iterate along all the rectangles
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{
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if (CheckCollisionPointRec(mousePoint, recs[i]))
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{
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colors[i].a = 120;
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if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) selected[i] = !selected[i];
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}
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else colors[i].a = 255;
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}
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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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for (int i = 0; i < 21; i++) // Draw all rectangles
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{
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DrawRectangleRec(recs[i], colors[i]);
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// Draw four rectangles around selected rectangle
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if (selected[i])
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{
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DrawRectangle(recs[i].x, recs[i].y, 100, 10, RAYWHITE); // Square top rectangle
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DrawRectangle(recs[i].x, recs[i].y, 10, 100, RAYWHITE); // Square left rectangle
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DrawRectangle(recs[i].x + 90, recs[i].y, 10, 100, RAYWHITE); // Square right rectangle
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DrawRectangle(recs[i].x, recs[i].y + 90, 100, 10, RAYWHITE); // Square bottom rectangle
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}
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}
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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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