41 lines
1.2 KiB
Kotlin
41 lines
1.2 KiB
Kotlin
package org.openrndr.extra.fx.distort
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import org.openrndr.draw.*
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import org.openrndr.extra.fx.filterFragmentCode
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import org.openrndr.extra.parameters.Description
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import org.openrndr.extra.parameters.DoubleParameter
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@Description("Fisheye")
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class Fisheye : Filter(Shader.createFromCode(filterVertexCode, filterFragmentCode("distort/fisheye.frag"))) {
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@DoubleParameter("strength", -1.0, 1.0, order = 0)
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var strength: Double by parameters
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@DoubleParameter("scale", 0.0, 2.0, order = 0)
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var scale: Double by parameters
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@DoubleParameter("feather", 0.0, 100.0, order = 1)
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var feather: Double by parameters
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@DoubleParameter("rotation", -180.0, 180.0, order = 1)
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var rotation : Double by parameters
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init {
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strength = 0.1
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feather = 1.0
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scale = 1.0
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rotation = 0.0
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}
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var bicubicFiltering = true
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override fun apply(source: Array<ColorBuffer>, target: Array<ColorBuffer>) {
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if (bicubicFiltering && source.isNotEmpty()) {
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source[0].generateMipmaps()
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source[0].filter(MinifyingFilter.LINEAR_MIPMAP_LINEAR, MagnifyingFilter.LINEAR)
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}
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super.apply(source, target)
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}
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}
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