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New node: Noise Pattern (#1518)

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Add the Noise Pattern node

Closes #1517
This commit is contained in:
Keavon Chambers
2023-12-17 02:06:25 -08:00
parent 9d3344808f
commit 9f0ea35d9b
10 changed files with 749 additions and 134 deletions
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21
frontend/src/components/widgets/inputs/NumberInput.svelte
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@@ -84,7 +84,7 @@
$: sliderStepValue = isInteger ? (step === undefined ? 1 : step) : "any";
$: styles = {
...(minWidth > 0 ? { "min-width": `${minWidth}px` } : {}),
...(mode === "Range" ? { "--progress-factor": (rangeSliderValueAsRendered - rangeMin) / (rangeMax - rangeMin) } : {}),
...(mode === "Range" ? { "--progress-factor": Math.min(Math.max((rangeSliderValueAsRendered - rangeMin) / (rangeMax - rangeMin), 0), 1) } : {}),
};
// Keep track of the Ctrl key being held down.
@@ -129,7 +129,7 @@
// Called internally to update the value indirectly by informing the parent component of the new value,
// so it can update the prop for this component, finally yielding the value change.
function updateValue(newValue: number | undefined) {
function updateValue(newValue: number | undefined): number | undefined {
// Check if the new value is valid, otherwise we use the old value (rounded if it's an integer)
const oldValue = value !== undefined && isInteger ? Math.round(value) : value;
let newValueValidated = newValue !== undefined ? newValue : oldValue;
@@ -138,6 +138,8 @@
if (typeof min === "number" && !Number.isNaN(min)) newValueValidated = Math.max(newValueValidated, min);
if (typeof max === "number" && !Number.isNaN(max)) newValueValidated = Math.min(newValueValidated, max);
if (isInteger) newValueValidated = Math.round(newValueValidated);
rangeSliderValue = newValueValidated;
rangeSliderValueAsRendered = newValueValidated;
}
@@ -145,6 +147,9 @@
text = displayText(newValueValidated);
if (newValue !== undefined) dispatch("value", newValueValidated);
// For any caller that needs to know what the value was changed to, we return it here
return newValueValidated;
}
// ================
@@ -185,7 +190,10 @@
// The `unFocus()` call at the bottom of this function and in `onTextChangeCanceled()` causes this function to be run again, so this check skips a second run.
if (!editing) return;
let newValue = evaluateMathExpression(text);
// Insert a leading zero before all decimal points lacking a preceding digit, since the library doesn't realize that "point" means "zero point".
const textWithLeadingZeroes = text.replaceAll(/(?<=^|[^0-9])\./g, "0."); // Match any "." that is preceded by the start of the string (^) or a non-digit character ([^0-9])
let newValue = evaluateMathExpression(textWithLeadingZeroes);
if (newValue !== undefined && isNaN(newValue)) newValue = undefined; // Rejects `sqrt(-1)`
updateValue(newValue);
@@ -321,9 +329,12 @@
cumulativeDragDelta += dragDelta;
const combined = initialValueBeforeDragging + cumulativeDragDelta;
const combineSnapped = e.ctrlKey || isInteger ? Math.round(combined) : combined;
const combineSnapped = e.ctrlKey ? Math.round(combined) : combined;
updateValue(combineSnapped);
const newValue = updateValue(combineSnapped);
// If the value was altered within the `updateValue()` call, we need to rectify the cumulative drag delta to account for the change.
if (newValue !== undefined) cumulativeDragDelta -= combineSnapped - newValue;
}
ignoredFirstMovement = true;
};