Learn CONSTRUCT with Real Code Examples

// Event Sheet Example (pseudo-code)

// On start of layout
System -> Set variable score to 0

// On player collision with coin
Player.OnCollision(Coin) -> {
    Destroy(Coin);
    Add 10 to score;
    TextScore.SetText("Score: " + score);
}

// On player collision with enemy
Player.OnCollision(Enemy) -> {
    System.RestartLayout();
}

Example of Construct-style event scripting represented in pseudo-code/JS-like syntax for clarity.

// On start of layout
System -> Set variable score to 0

// On player press space
Keyboard.OnKeyDown(Space) -> {
    Player.SetAnimation("Jump");
}

// On collision with coin
Player.OnCollision(Coin) -> {
    Destroy(Coin);
    Add 5 to score;
    TextScore.SetText("Score: " + score);
}

Player jumps and collects coins.

// On start of layout
System -> Set variable direction to 1

// On every tick
Enemy -> {
    Enemy.X += 2 * direction;
    If Enemy.X > 400 -> Set direction to -1;
    If Enemy.X < 100 -> Set direction to 1;
}

Enemy patrols back and forth.

// On start of layout
System -> Set variable timeLeft to 60

// Every second
System.OnEverySecond -> {
    timeLeft -= 1;
    TextTimer.SetText("Time: " + timeLeft);
    If timeLeft <= 0 -> System.RestartLayout();
}

Countdown timer event sheet.

// On press key
Keyboard.OnKeyDown(F) -> {
    CreateObject(Projectile, Player.X, Player.Y);
    Projectile.SetAnimation("Fly");
}

// On projectile collision
Projectile.OnCollision(Enemy) -> {
    Destroy(Projectile);
    Destroy(Enemy);
}

Player shoots projectiles when pressing a key.

// On start of layout
System -> Set variable score to 0

// Every 3 seconds
System.OnEvery(3 seconds) -> {
    CreateObject(Coin, random(50, 450), random(50, 350));
}

// On player collision with coin
Player.OnCollision(Coin) -> {
    Destroy(Coin);
    Add 10 to score;
    TextScore.SetText("Score: " + score);
}

Randomly spawn collectibles over time.

// On start of layout
System -> Set variable coinsCollected to 0

// On player collision with coin
Player.OnCollision(Coin) -> {
    Destroy(Coin);
    Add 1 to coinsCollected;
    If coinsCollected >= 10 -> System.GoToLayout("NextLevel");
}

Check win condition and go to next level.

// On start of layout
System -> Set variable health to 100

// On player collision with enemy
Player.OnCollision(Enemy) -> {
    Subtract 10 from health;
    If health <= 0 -> System.RestartLayout();
    TextHealth.SetText("Health: " + health);
}

Player loses health on collision with enemy.

// On start of layout
System -> Set variable direction to 1

// Every tick
Platform -> {
    Platform.X += 2 * direction;
    If Platform.X > 400 -> Set direction to -1;
    If Platform.X < 100 -> Set direction to 1;
}

Platform moves back and forth horizontally.

// On key press P
Keyboard.OnKeyDown(P) -> {
    If System.Paused -> System.Resume();
    Else -> System.Pause();
}

Pause and resume the game with a key press.