backups/Fantasy-Map-Generator
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v1.0.30

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Azgaar 2019-09-13 14:58:43 +03:00
parent 22cb1c9103
commit 5722540076
2 changed files with 18 additions and 18 deletions
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34
modules/ui/heightmap-editor.js
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@ -1150,25 +1150,25 @@ function getHeight(h) {
document.body.insertBefore(canvas, optionsContainer);
ctx.drawImage(img, 0, 0, svgWidth, svgHeight);
const simplex = new SimplexNoise(); // SimplexNoise by Jonas Wagner
const noise = (nx, ny) => simplex.noise2D(nx, ny) / 2 + .5;
// const simplex = new SimplexNoise(); // SimplexNoise by Jonas Wagner
// const noise = (nx, ny) => simplex.noise2D(nx, ny) / 2 + .5;
const imageData = ctx.getImageData(0, 0, svgWidth, svgHeight);
for (let i=0; i < imageData.data.length; i+=4) {
const v = imageData.data[i];
if (v < 51) {
// water
imageData.data[i] = imageData.data[i+1] = imageData.data[i+2] = 46;
continue;
}
// const imageData = ctx.getImageData(0, 0, svgWidth, svgHeight);
// for (let i=0; i < imageData.data.length; i+=4) {
// const v = imageData.data[i];
// if (v < 51) {
// // water
// // imageData.data[i] = imageData.data[i+1] = imageData.data[i+2] = 46;
// continue;
// }
const x = i / 4 % svgWidth, y = Math.floor(i / 4 / svgWidth);
const nx = x / svgWidth - .5, ny = y / svgHeight - .5;
const n = noise(4 * nx, 4 * ny) / 4 + noise(16 * nx, 16 * ny) / 16;
const nv = Math.max(Math.min((v + 255 * n) / 2, 255), 51);
imageData.data[i] = imageData.data[i+1] = imageData.data[i+2] = nv;
}
ctx.putImageData(imageData, 0, 0);
// const x = i / 4 % svgWidth, y = Math.floor(i / 4 / svgWidth);
// const nx = x / svgWidth - .5, ny = y / svgHeight - .5;
// const n = noise(4 * nx, 4 * ny) / 4 + noise(16 * nx, 16 * ny) / 16;
// const nv = Math.max(Math.min((v + 255 * n) / 2, 255), 51);
// imageData.data[i] = imageData.data[i+1] = imageData.data[i+2] = nv;
// }
// ctx.putImageData(imageData, 0, 0);
const imgBig = canvas.toDataURL("image/png");
const link = document.createElement("a");