/
BernoullisProgressView.kt
38 lines (28 loc) · 1.33 KB
/
BernoullisProgressView.kt
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/*
* Copyright 2016 Vladimir Jovanovic
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.vlad1m1r.lemniscate
import android.content.Context
import android.util.AttributeSet
import com.vlad1m1r.lemniscate.base.BaseCurveProgressView
class BernoullisProgressView : BaseCurveProgressView {
constructor(context: Context) : super(context)
constructor(context: Context, attrs: AttributeSet) : super(context, attrs)
constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr)
override fun getGraphY(t: Double): Float =
((viewSize.size / 2).toDouble() * Math.sin(t) * Math.cos(t) / (1 + Math.pow(Math.sin(t), 2.0))).toFloat()
override fun getGraphX(t: Double): Float =
(viewSize.size / 2 * Math.cos(t) / (1 + Math.pow(Math.sin(t), 2.0))).toFloat()
}