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improve map terrain color

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This commit is contained in:
evanpelle
2024-08-31 14:43:33 -07:00
parent 4de9bb9e18
commit 9c58f99968
5 changed files with 73 additions and 91 deletions
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src/scripts/TerrainMapGenerator.ts
+21 -51
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@@ -54,6 +54,11 @@ export async function loadTerrainMap(): Promise<void> {
const terrain: Terrain[][] = Array(img.width).fill(null).map(() => Array(img.height).fill(null));
let max = 0
let min = 1000
const array: number[] = new Array(256).fill(0);
// Iterate through each pixel
for (let x = 0; x < img.width; x++) {
for (let y = 0; y < img.height; y++) {
@@ -61,66 +66,27 @@ export async function loadTerrainMap(): Promise<void> {
const alpha = color & 0xff;
const blue = (color >> 8) & 0xff;
if (alpha < 20) { // transparent
terrain[x][y] = new Terrain(TerrainType.Water);
} else {
terrain[x][y] = new Terrain(TerrainType.Land)
terrain[x][y].magnitude = 0
// 150 -> 220
switch (true) {
case (blue > 220):
terrain[x][y].magnitude = 14;
break;
case (blue > 215):
terrain[x][y].magnitude = 13;
break;
case (blue > 210):
terrain[x][y].magnitude = 12;
break;
case (blue > 205):
terrain[x][y].magnitude = 11;
break;
case (blue > 200):
terrain[x][y].magnitude = 10;
break;
case (blue > 195):
terrain[x][y].magnitude = 9;
break;
case (blue > 185):
terrain[x][y].magnitude = 8;
break;
case (blue > 180):
terrain[x][y].magnitude = 7;
break;
case (blue > 175):
terrain[x][y].magnitude = 6;
break;
case (blue > 170):
terrain[x][y].magnitude = 5;
break;
case (blue > 165):
terrain[x][y].magnitude = 4;
break;
case (blue > 160):
terrain[x][y].magnitude = 3;
break;
case (blue > 155):
terrain[x][y].magnitude = 2;
break;
case (blue > 150):
terrain[x][y].magnitude = 1;
break;
default:
terrain[x][y].magnitude = 0;
break;
}
array[blue]++
// 140 -> 200 = 60
const mag = Math.min(200, Math.max(140, blue)) - 140
terrain[x][y].magnitude = mag / 2
}
}
}
// console.log(`min: ${min}, max ${max}, arr ${array}`)
// console.log('Array contents (index, value):');
// array.forEach((val, index) => {
// console.log(`(${index}, ${val})`);
// });
const shorelineWaters = processShore(terrain)
processDistToLand(shorelineWaters, terrain)
@@ -221,7 +187,11 @@ function packTerrain(map: Terrain[][]): Uint8Array {
if (terrain.ocean) {
packedByte |= 0b00100000;
}
packedByte |= Math.min(Math.ceil(terrain.magnitude / 2), 31);
if (terrain.type == TerrainType.Land) {
packedByte |= Math.min(Math.ceil(terrain.magnitude), 31);
} else {
packedByte |= Math.min(Math.ceil(terrain.magnitude / 2), 31);
}
packedData[4 + y * width + x] = packedByte;
}