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Added demo of using Custom Waveform.
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102
...s/KristofferStrube.Blazor.WebAudio.WasmExample/CustomPeriodicWaves/ExpressionTemplates.cs
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| using KristofferStrube.Blazor.FormulaEditor; | ||
| using KristofferStrube.Blazor.FormulaEditor.BooleanExpressions; | ||
| using KristofferStrube.Blazor.FormulaEditor.Expressions; | ||
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| namespace KristofferStrube.Blazor.WebAudio.WasmExample.CustomPeriodicWaves; | ||
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| public static class ExpressionTemplates | ||
| { | ||
| public static NumberReturningExpression SineWave(Identifier nIdentifier) => new CasesExpression() | ||
| { | ||
| Cases = [new() { | ||
| Value = new NumericExpression() { Value = 1 }, | ||
| Condition = new EqualsOperator() { First = new IdentifierExpression() { Value = nIdentifier }, Second = new NumericExpression() { Value = 1 } } | ||
| }], | ||
| Otherwise = new NumericExpression() { Value = 0 }, | ||
| }; | ||
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| public static NumberReturningExpression SquareWave(Identifier nIdentifier) => new MultiplicationOperator() | ||
| { | ||
| First = new FractionOperator() | ||
| { | ||
| Numerator = new NumericExpression() { Value = 2 }, | ||
| Denominator = new MultiplicationOperator() | ||
| { | ||
| First = new IdentifierExpression() { Value = nIdentifier }, | ||
| Second = new ConstantExpression() { Value = new Constant("π", Math.PI) }, | ||
| ExplicitOperator = false | ||
| } | ||
| }, | ||
| Second = new SubtractionOperator() | ||
| { | ||
| First = new NumericExpression() { Value = 1 }, | ||
| Second = new PowerOperator() | ||
| { | ||
| Value = new NumericExpression() { Value = -1, Parenthesis = true }, | ||
| Power = new IdentifierExpression() { Value = nIdentifier } | ||
| }, | ||
| Parenthesis = true | ||
| }, | ||
| ExplicitOperator = false | ||
| }; | ||
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| public static NumberReturningExpression SawtoothWave(Identifier nIdentifier) => new MultiplicationOperator() | ||
| { | ||
| First = new PowerOperator() | ||
| { | ||
| Value = new NumericExpression() { Value = -1, Parenthesis = true }, | ||
| Power = new AdditionOperator() | ||
| { | ||
| First = new IdentifierExpression() { Value = nIdentifier }, | ||
| Second = new NumericExpression() { Value = 1 }, | ||
| Parenthesis = true | ||
| } | ||
| }, | ||
| Second = new FractionOperator() | ||
| { | ||
| Numerator = new NumericExpression() { Value = 2 }, | ||
| Denominator = new MultiplicationOperator() | ||
| { | ||
| First = new IdentifierExpression() { Value = nIdentifier }, | ||
| Second = new ConstantExpression() { Value = new Constant("π", Math.PI) }, | ||
| ExplicitOperator = false | ||
| } | ||
| }, | ||
| ExplicitOperator = false | ||
| }; | ||
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| public static NumberReturningExpression TriangleWave(Identifier nIdentifier) => new FractionOperator() | ||
| { | ||
| Numerator = new MultiplicationOperator() | ||
| { | ||
| First = new NumericExpression() { Value = 8 }, | ||
| Second = new FunctionExpression() | ||
| { | ||
| Function = new Function("sin", v => Math.Sin(v)), | ||
| Input = new FractionOperator() | ||
| { | ||
| Numerator = new MultiplicationOperator() | ||
| { | ||
| First = new IdentifierExpression() { Value = nIdentifier }, | ||
| Second = new ConstantExpression() { Value = new Constant("π", Math.PI) }, | ||
| ExplicitOperator = false | ||
| }, | ||
| Denominator = new NumericExpression() { Value = 2 } | ||
| }, | ||
| Parenthesis = false | ||
| }, | ||
| ExplicitOperator = false | ||
| }, | ||
| Denominator = new PowerOperator() | ||
| { | ||
| Value = new MultiplicationOperator() | ||
| { | ||
| First = new ConstantExpression() { Value = new Constant("π", Math.PI) }, | ||
| Second = new IdentifierExpression() { Value = nIdentifier }, | ||
| ExplicitOperator = false, | ||
| Parenthesis = true | ||
| }, | ||
| Power = new NumericExpression() { Value = 2 } | ||
| } | ||
| }; | ||
| } |
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24 changes: 24 additions & 0 deletions
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samples/KristofferStrube.Blazor.WebAudio.WasmExample/Shared/EnumSelector.razor
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| @typeparam TEnum where TEnum : Enum | ||
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| <select @bind=Value @bind:after=OnValueChanged disabled=@Disabled> | ||
| @foreach (TEnum option in Enum.GetValues(typeof(TEnum))) | ||
| { | ||
| <option value="@option">@option</option> | ||
| } | ||
| </select> | ||
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| @code { | ||
| [Parameter] | ||
| public bool Disabled { get; set; } = false; | ||
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| [Parameter, EditorRequired] | ||
| public required TEnum Value { get; set; } | ||
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| [Parameter, EditorRequired] | ||
| public EventCallback<TEnum> ValueChanged { get; set; } | ||
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| private async Task OnValueChanged() | ||
| { | ||
| await ValueChanged.InvokeAsync(Value); | ||
| } | ||
| } |
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@@ -11,4 +11,7 @@ | |
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| [Parameter] | ||
| public int Height { get; set; } = 200; | ||
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| [Parameter] | ||
| public string Color { get; set; } = "red"; | ||
| } | ||
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samples/KristofferStrube.Blazor.WebAudio.WasmExample/Shared/TimeDomainPlot.razor
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| @using Excubo.Blazor.Canvas | ||
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| <Plot Data=@timeDomainMeasurements Height=@Height Color=@Color /> |
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