![]() ![]() Let’s build JavaScript game for beginners together! The only tool for creating levels with parallax scrolling is the GEPA Editor (1994).What is the easiest way to create endlessly scrolling backgrounds with JavaScript? How to make different layers move at different speeds and create parallax effect? How to make our scroll speed dynamic so that we can easily change it? We will learn all of that and more. two complex graphic layers were scrolling at different speeds. This impressive concept of programming for Hawkeye showed the way forward to later games, in which real parallax scrolling was used, i.e. The change of the charsets had to be synchronized against the scrolling of the foreground layer so that the viewer/player would have the illusion as if the background layer would not be moving (even though the charsets are permanently moving in the background of the program). While part of the charset, used for the scrolling foreground area of the player, had to be the same in all four charsets, the slow-moving background layer consisted of chars of the four switching charsets, which had to be moved and saved by one multicolor-pixel each. By means of four charsets, which were being switched permanently, it was possible to create the illusion of a stable background layer. The concept of the program and its realization was innovative and brillant at the same time. It was not until the year 1988 that the game Hawkeye pushed the development of fluent parallax scrolling forward. This may have been the reason why this concept has not been used in other games. As this concept was realized by copying bitmap-graphics, it heavily slowed down the gameplay. Real parallax scrolling Įven though the game Karateka, which was already published in 1984, did not really have real parallax scrolling, it proves to be an early attempt of scrolling a foreground layer in front of a stable background layer (here: a mountain picture). ![]() ![]()
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