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Refactor scaling for rotation

pull/1916/head
Martin Boonk 2022-02-23 21:53:44 +01:00
parent a40eb22cdf
commit cd613588e7
1 changed files with 10 additions and 6 deletions
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16
apps/imageclock/app.js
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@ -123,9 +123,7 @@ function drawElement(pos, offset, path, lastElem){
//print("drawImage from drawElement", image, pos, offset);
var options={};
if (pos.RotationValue){
options.rotate = numbers[pos.RotationValue]();
if (pos.MinRotationValue) options.rotate -= pos.MinRotationValue;
if (pos.MaxRotationValue) options.rotate /= pos.MaxRotationValue;
options.rotate = scaledown(numbers[pos.RotationValue](), pos.MinRotationValue, pos.MaxRotationValue);
options.rotate = options.rotate * Math.PI* 2;
}
if (pos.Scale){
@ -269,10 +267,16 @@ function updateColors(element, offset){
return newOffset;
}
function scaledown(value, min, max){
print("scaledown", value, min, max);
var scaled = E.clip(value,min?min:0,max?max:1);
scaled -= min?min:0;
scaled /= max?max:1;
return scaled;
}
function rotate(center, coords, rotation) {
var value = E.clip(numbers[rotation.RotationValue](),rotation.MinRotationValue?rotation.MinRotationValue:0,rotation.MaxRotationValue?rotation.MaxRotationValue:1);
value -= rotation.MinRotationValue;
value /= rotation.MaxRotationValue;
var value = scaledown(numbers[rotation.RotationValue](), rotation.MinRotationValue, rotation.MaxRotationValue);
value *= 360;
value -= 180;