c_meyer/pxt-calliope
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fixing scroll issues

Browse Source
This commit is contained in:
Peli de Halleux
2016-03-14 21:37:03 -07:00
parent ea325a6ffa
commit fb65711f08
2 changed files with 19 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
sim/libmbit.ts
View File

@ -92,6 +92,7 @@ namespace ks.rt.micro_bit {
export function showDigit(v: number) {
if (!quiet)
console.log("DIGIT:", v)
plotLeds(createImageFromString(v.toString()[0]));
}
export function clearScreen() {
@ -106,14 +107,15 @@ namespace ks.rt.micro_bit {
function scrollImage(leds: micro_bit.Image, interval: number, stride: number): void {
let cb = getResume()
let off = stride > 0 ? 0 : leds.width - 1;
let display = board().image;
board().animationQ.enqueue({
interval: interval,
frame: () => {
if (off >= leds.width || off < 0)
return false;
let c = Math.min(5, leds.width - off);
leds.copyTo(off, 5, board().image, 0)
if (off >= leds.width || off < 0) return false;
stride > 0 ? display.shiftLeft(stride) : display.shiftRight(-stride);
let c = Math.min(stride, leds.width - off);
leds.copyTo(off, c, display, 5 - stride)
off += stride;
return true;
},
@ -129,7 +131,7 @@ namespace ks.rt.micro_bit {
if (interval < 0) return;
let leds = createImageFromString(x.toString());
if (x < 0 || x >= 10) scrollImage(leds, interval, 5);
if (x < 0 || x >= 10) scrollImage(leds, interval, 1);
else showLeds(leds, interval * 5);
}