Game Development Reference
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FIG 7.20 (a) A texture created with Photoshop's Difference Clouds Filter. (b) A Unity Terrain with the same texture used as a heightmap.
The difference in using a random number for the height and Perlin Noise
is illustrated in Figure 7.21 .
FIG 7.21 (a) A terrain with random height values. (b) A terrain with Perlin Noise height values.
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