diff --git a/examples/shapes/shapes_rectangle_scaling_mouse.c b/examples/shapes/shapes_rectangle_scaling_mouse.c new file mode 100644 index 00000000..d8c521ca --- /dev/null +++ b/examples/shapes/shapes_rectangle_scaling_mouse.c @@ -0,0 +1,92 @@ +/******************************************************************************************* +* +* raylib [shapes] example - rectangle scaling by mouse +* +* This example has been created using raylib 2.5 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Copyright (c) 2019 Demioz and Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +#define MOUSE_SCALE_MARK_SIZE 12 + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [shapes] example - rectangle scaling mouse"); + + Rectangle rec = { 100, 100, 200, 80 }; + + Vector2 mousePosition = { 0 }; + + bool mouseScaleReady = false; + bool mouseScaleMode = false; + + SetTargetFPS(60); + //-------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + mousePosition = GetMousePosition(); + + if (CheckCollisionPointRec(mousePosition, rec) && + CheckCollisionPointRec(mousePosition, (Rectangle){ rec.x + rec.width - MOUSE_SCALE_MARK_SIZE, rec.y + rec.height - MOUSE_SCALE_MARK_SIZE, MOUSE_SCALE_MARK_SIZE, MOUSE_SCALE_MARK_SIZE })) + { + mouseScaleReady = true; + if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) mouseScaleMode = true; + } + else mouseScaleReady = false; + + if (mouseScaleMode) + { + mouseScaleReady = true; + + rec.width = (mousePosition.x - rec.x); + rec.height = (mousePosition.y - rec.y); + + if (rec.width < MOUSE_SCALE_MARK_SIZE) rec.width = MOUSE_SCALE_MARK_SIZE; + if (rec.height < MOUSE_SCALE_MARK_SIZE) rec.height = MOUSE_SCALE_MARK_SIZE; + + if (IsMouseButtonReleased(MOUSE_LEFT_BUTTON)) mouseScaleMode = false; + } + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + DrawText("Scale rectangle dragging from bottom-right corner!", 10, 10, 20, GRAY); + + DrawRectangleRec(rec, Fade(GREEN, 0.5f)); + + if (mouseScaleReady) + { + DrawRectangleLinesEx(rec, 1, RED); + DrawTriangle((Vector2){ rec.x + rec.width - MOUSE_SCALE_MARK_SIZE, rec.y + rec.height }, + (Vector2){ rec.x + rec.width, rec.y + rec.height }, + (Vector2){ rec.x + rec.width, rec.y + rec.height - MOUSE_SCALE_MARK_SIZE }, RED); + } + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} \ No newline at end of file diff --git a/examples/shapes/shapes_rectangle_scaling_mouse.png b/examples/shapes/shapes_rectangle_scaling_mouse.png new file mode 100644 index 00000000..83d67de9 Binary files /dev/null and b/examples/shapes/shapes_rectangle_scaling_mouse.png differ