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fix sdf bug

This commit is contained in:
“chrisshank” 2024-12-01 20:14:41 -08:00
parent 74862c7629
commit 5eb4f5c432
1 changed files with 3 additions and 2 deletions
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5
src/distance-field.ts
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@ -158,11 +158,12 @@ export class DistanceField extends HTMLElement {
const rect = geometry.getClientRect(); const rect = geometry.getClientRect();
const windowWidth = window.innerWidth; const windowWidth = window.innerWidth;
const windowHeight = window.innerHeight;
// Convert DOM coordinates to Normalized Device Coordinates (NDC) // Convert DOM coordinates to Normalized Device Coordinates (NDC)
const x1 = (rect.left / windowWidth) * 2 - 1; const x1 = (rect.left / windowWidth) * 2 - 1;
const y1 = -((rect.top / windowWidth) * 2 - 1); const y1 = -((rect.top / windowHeight) * 2 - 1);
const x2 = (rect.right / windowWidth) * 2 - 1; const x2 = (rect.right / windowWidth) * 2 - 1;
const y2 = -((rect.bottom / windowWidth) * 2 - 1); const y2 = -((rect.bottom / windowHeight) * 2 - 1);
const shapeID = index + 1; // Avoid zero to prevent hash function issues const shapeID = index + 1; // Avoid zero to prevent hash function issues