39 lines
957 B
Kotlin
39 lines
957 B
Kotlin
package net.shadowfacts.cacao.view
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import net.minecraft.client.util.math.MatrixStack
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import net.shadowfacts.cacao.geometry.BezierCurve
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import net.shadowfacts.cacao.geometry.Point
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import net.shadowfacts.cacao.util.Color
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import net.shadowfacts.cacao.util.RenderHelper
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/**
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* @author shadowfacts
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*/
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class BezierCurveView(val curve: BezierCurve): View() {
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private val points by lazy {
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val step = 0.05
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var t = 0.0
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val points = mutableListOf<Point>()
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while (t <= 1) {
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points.add(curve.point(t))
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t += step
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}
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points
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}
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var lineWidth = 3f
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var lineColor = Color.BLACK
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override fun drawContent(matrixStack: MatrixStack, mouse: Point, delta: Float) {
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matrixStack.push()
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matrixStack.scale(bounds.width.toFloat(), bounds.height.toFloat(), 1f)
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for ((index, point) in points.withIndex()) {
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val next = points.getOrNull(index + 1) ?: break
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RenderHelper.drawLine(point, next, zIndex, lineWidth, lineColor)
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}
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matrixStack.pop()
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}
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}
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