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/*******************************************************************************************
*
* raylib [shapes] example - Cubic-bezier lines
*
* Example originally created with raylib 1.7, last time updated with raylib 1.7
*
* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
* BSD-like license that allows static linking with closed source software
*
* Copyright (c) 2017-2024 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
SetConfigFlags(FLAG_MSAA_4X_HINT);
InitWindow(screenWidth, screenHeight, "raylib [shapes] example - cubic-bezier lines");
Vector2 startPoint = { 30, 30 };
Vector2 endPoint = { (float)screenWidth - 30, (float)screenHeight - 30 };
bool moveStartPoint = false;
bool moveEndPoint = false;
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
//----------------------------------------------------------------------------------
Vector2 mouse = GetMousePosition();
if (CheckCollisionPointCircle(mouse, startPoint, 10.0f) && IsMouseButtonDown(MOUSE_BUTTON_LEFT)) moveStartPoint = true;
else if (CheckCollisionPointCircle(mouse, endPoint, 10.0f) && IsMouseButtonDown(MOUSE_BUTTON_LEFT)) moveEndPoint = true;
if (moveStartPoint)
{
startPoint = mouse;
if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT)) moveStartPoint = false;
}
if (moveEndPoint)
{
endPoint = mouse;
if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT)) moveEndPoint = false;
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
DrawText("MOVE START-END POINTS WITH MOUSE", 15, 20, 20, GRAY);
// Draw line Cubic Bezier, in-out interpolation (easing), no control points
DrawLineBezier(startPoint, endPoint, 4.0f, BLUE);
// Draw start-end spline circles with some details
DrawCircleV(startPoint, CheckCollisionPointCircle(mouse, startPoint, 10.0f)? 14.0f : 8.0f, moveStartPoint? RED : BLUE);
DrawCircleV(endPoint, CheckCollisionPointCircle(mouse, endPoint, 10.0f)? 14.0f : 8.0f, moveEndPoint? RED : BLUE);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
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