日本語原文はこちら：https://skipmore.fanbox.cc/posts/3459093
Secrets of the Backgrounds and Terrains
The first step for level design for Transiruby was to make sure that the terrain was noticeable and easy to grasp, so adjustments were applied to the art style.
Trusting the terrain is essential in exploration games. However, isn’t it pretty stressful to miss a jump and slip or fall from not stepping on an object that doesn’t look like it’s able to be stepped on…? That’s what I thought in this case.
Pseudo Diffusion Filter
The background textures (interior background) and foreground (stepable terrain) are changed effectively to make the terrain easier to see. In Transiruby, the pseudo diffusion filter used in the background displays sharp pixels and gives the images a sense of different textures with depth.
●フィルターなし
Without Filter
The pixels look sharp but lack depth.
●単純なぼかし
Simple Gradation
The character and background are easy to see, but if the eyesight is shifted to the background, the focal point is out of focus (the background can be seen but becomes blurred), so it’s uncomfortable. Also, the sharpness of the pixels is lost.
●擬似ディフュージョンフィルター
Pseudo Diffusion Filter
The sharpness of the pixels is improved, the terrain is easier to grasp, and the image has more depth. Also, there is now a sense of atmosphere. This pseudo diffusion filter can change its values in real-time and is used to create effects in the stage (for example) “when coming from a dark place then suddenly to a bright place, it’s momentarily radiant!” or something like that.
▲The background is momentarily overexposed when entering the Boss Area, as seen on the left (screenshot).
Light Lines
Light lines (light lines bordering the terrain) are applied to make the stepable terrain easier to grasp. It's a pretty direct and symbolic presentation, but the effect is extraordinary.
ライトラインなし Without Light Line
ライトラインあり With Light Line
▲With the Light Line, it’s easier to see the terrain that the character can step on.
Diagonal Object
Behind the stepable terrain, the arrangement of objects in the world view represents the screen’s increased density. These (diagonal objects) are distinct in backgrounds and scroll together with the terrain, so Players can understand that the character can’t step on them. In Transiruby, rules were made so that non-stepable objects have “without light lines,” “are diagonal,” and “are bumpy.”
乗れない Non-stepable
▲Without light lines & diagonals & bumpy objects are non-stepable
…And so by deciding the visual rules of "stepable and non-stepable terrain" with the art style gradation like this, there are fewer worries about how the terrain and footholds look in the level design.
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Transiruby is now popularly available on Steam!
Console ports are steadily in progress!