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What Are Tiles? 3D Free Online Games
Tiles are textures that have been specially formatted to blend together well in the video game world.You use some kind of image manipulation program to do this.
Here is tile For demonstration purposes it 50 pixels by 50 pixels.
Now what will this tile look like if we repeat it into a bigger surface? Say the wall of a room?
It looks like this
See how it has a blocky look? You can see where the different tiles meet each other. Clearly eight squares placed side by side. This is no good. Not what you want for your game.
We can fix this however by manipulating the small tile. And when we are done the eight tiles placed together look like this
There is still a repetition of the pattern but it no longer looks like eight identical blocks placed side by side. Notice that the dark lines of the stones match up across the tiles.
How do we do this?
We take our original tile & we rearrange it by breaking it up into four pieces. Think of your tile as four different quadrants like this
So you cut your original tile into four pieces then rearrange the pieces into a new tile. You move the four quarters of your tile into the new positions. Now 1 is in the lower right & 2 is in the lower left etc.
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What does this do? In the first tile you can see the blue lines going horizontal & vertical. These pass through areas of the tile that blend perfectly. The top of 3 blends perfectly with the bottom of 1. After you rearrange the tile the top of three is at the top of the square right? When this tile is poured in with other tiles guess what happens. The top of three is now directly against the bottom of a 1 & we know this blends perfectly because it was in the middle of the tile before.
One last thing. After you cut your tile into four squares & rearrange it into a new tile you should touch it up a little bit. Make sure the areas in the middle look good. Take out or smudge anything that looks unreal.
Not Always is this quadrant thing necessary.
For example you may have a shape that you want to be repeated & “look” repeated like the tiles in a ceiling. In the image below the floor is well tiled & looks seamless. The ceiling is definitely tiled with the seams & looks good that way.
More Important Tips
You should always try to make your tiles in pixel squares of 128×128 or 256×256. This is format that is perfectly suited for the computer & it will handle these graphics very efficiently. If you make your tiles in sizes like 100×100 or some other size the computer has to take a lot longer to figure out how to pour the texture into shapes. This could slow down your game significantly.
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