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/*******************************************************************************************
*
* raylib [core] example - Color selection by mouse (collision detection)
*
* This example has been created using raylib 1.0 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2014 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [core] example - color selection (collision detection)");
Color colors[21] = { DARKGRAY, MAROON, ORANGE, DARKGREEN, DARKBLUE, DARKPURPLE, DARKBROWN,
GRAY, RED, GOLD, LIME, BLUE, VIOLET, BROWN, LIGHTGRAY, PINK, YELLOW,
GREEN, SKYBLUE, PURPLE, BEIGE };
Rectangle colorsRecs[21]; // Rectangles array
// Fills colorsRecs data (for every rectangle)
for (int i = 0; i < 21; i++)
{
colorsRecs[i].x = 20 + 100*(i%7) + 10*(i%7);
colorsRecs[i].y = 60 + 100*(i/7) + 10*(i/7);
colorsRecs[i].width = 100;
colorsRecs[i].height = 100;
}
bool selected[21] = { false }; // Selected rectangles indicator
Vector2 mousePoint;
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
mousePoint = GetMousePosition();
for (int i = 0; i < 21; i++) // Iterate along all the rectangles
{
if (CheckCollisionPointRec(mousePoint, colorsRecs[i]))
{
colors[i].a = 120;
if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) selected[i] = !selected[i];
}
else colors[i].a = 255;
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
for (int i = 0; i < 21; i++) // Draw all rectangles
{
DrawRectangleRec(colorsRecs[i], colors[i]);
// Draw four rectangles around selected rectangle
if (selected[i])
{
DrawRectangle(colorsRecs[i].x, colorsRecs[i].y, 100, 10, RAYWHITE); // Square top rectangle
DrawRectangle(colorsRecs[i].x, colorsRecs[i].y, 10, 100, RAYWHITE); // Square left rectangle
DrawRectangle(colorsRecs[i].x + 90, colorsRecs[i].y, 10, 100, RAYWHITE); // Square right rectangle
DrawRectangle(colorsRecs[i].x, colorsRecs[i].y + 90, 100, 10, RAYWHITE); // Square bottom rectangle
}
}
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
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