21 lines
527 B
JavaScript
21 lines
527 B
JavaScript
import {createCanvas, drawRect, clipCanvas} from './gfx.js';
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export function createTerrain(width, height) {
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const terrain = createCanvas(width, height);
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generateTerrain(terrain, width, height);
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return terrain;
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}
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export function generateTerrain(ctx, width, height) {
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drawRect(ctx, 0, height-80, width, 80, 'burlywood');
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}
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export function isTerrain(ctx, x, y) {
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const imageData = ctx.getImageData(x, y, 1, 1);
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return imageData.data[3] > 0;
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}
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export function clipTerrain(ctx, fn) {
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return clipCanvas(ctx, fn);
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}
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