()
| 1186 | } |
| 1187 | |
| 1188 | function calcDeltaTime () { |
| 1189 | let now = Date.now(); |
| 1190 | let dt = (now - lastUpdateTime) / 1000; |
| 1191 | dt = Math.min(dt, 0.016666); |
| 1192 | lastUpdateTime = now; |
| 1193 | return dt; |
| 1194 | } |
| 1195 | |
| 1196 | function resizeCanvas () { |
| 1197 | let width = scaleByPixelRatio(canvas.clientWidth); |