Friendly GameMaker lessons

GM Grove

Welcome to GM Grove, a free beginner learning site for GameMaker! Earn XP, watch flowers bloom as you complete lessons, and relax in a friendly learning environment as you build your skills one step at a time.

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// Step Event
			var _speed = 3;
			
			x += _speed;
			
			if (x > room_width) {
				x = 0;
			}

// Create Event
			side = 1;
			
			// Step Event
			var _speed = 3;
			
			x += _speed * side;
			
			if (x > room_width) {
				side = -1;
			}
			else if (x < 0) {
				side = 1;
			}