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Clamp transparency value (at least for set)

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Ken 2017-08-31 09:24:41 +08:00 committed by GitHub
parent 8a77329c79
commit f61366643d
1 changed files with 4 additions and 4 deletions
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8
src/blocks/scratch3_pen.js
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@ -382,8 +382,8 @@ class Scratch3PenBlocks {
*/
changePenTransparencyBy (args, util) {
const penState = this._getPenState(util.target);
penState.penAttributes.color4f[3] = penState.penAttributes.color4f[3] + (args.TRANSPARENCY / 100);
const TRANSPARENCY = args.TRANSPARENCY / 100;
penState.penAttributes.color4f[3] = penState.penAttributes.color4f[3] + TRANSPARENCY;
this._updatePenColor(penState);
}
@ -395,8 +395,8 @@ class Scratch3PenBlocks {
*/
setPenTransparencyTo (args, util) {
const penState = this._getPenState(util.target);
penState.penAttributes.color4f[3] = args.TRANSPARENCY / 100;
const TRANSPARENCY = MathUtil.clamp(args.TRANSPARENCY, 0, 100) / 100;
penState.penAttributes.color4f[3] = TRANSPARENCY;
this._updatePenColor(penState);
}
}