Recording summary · December 2015
making a platformer game in xcode - part 2 movement
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Overview
Daniel implements left and right movement controls for a character by configuring interface buttons, NSTimer instances, IBOutlets, and IBAction handlers.
Control events including Touch Down, Touch Up Inside, and Touch Up Outside are wired up to handle continuous movement and properly stop motion, resolving an issue where dragging off a button leaves the character moving indefinitely.
Upcoming work includes adding an obstacle for the character to jump over in the subsequent session.
Themes
Creation of buttons and interface setup for left and right character movement.
Configuration of IBOutlets, NSTimer instances, and IBAction handlers for controlling character motion.
Connection of Touch Down, Touch Up Inside, and Touch Up Outside events to manage motion states and drag-off behavior.
Planned additions for the next session to introduce jumpable obstacles.
Developments
An initial test run crashes due to an unimplemented StopLeft IBAction handler.
The character continues moving when a user touches down and drags off the button, leading to the addition of Touch Up Outside triggers.
Uncertainties & gaps
Daniel is initially unsure whether two or four void methods and how many actions are required.
Daniel initially cannot recall the previous method used to resolve the drag-off bug, questioning whether Touch Cancel or another event was used.