Gist

DP.kt

package com.feresr.threedp

import android.os.Bundle
import android.view.MotionEvent
import androidx.appcompat.app.AppCompatActivity
import androidx.compose.foundation.layout.size
import androidx.compose.material.Surface
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.input.pointer.pointerInteropFilter
import androidx.compose.ui.platform.setContent
import androidx.compose.ui.unit.dp

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            val verticalOffset = remember { mutableStateOf(500f) }
            val horizontalOffset = remember { mutableStateOf(500f) }
            Surface(
                    modifier = Modifier.size(
                            horizontalOffset.value.dp,  // .div(3)
                            verticalOffset.value.dp     // .div(3),
                    ).pointerInteropFilter {
                        when (it.action) {
                            MotionEvent.ACTION_MOVE -> {
                                horizontalOffset.value = it.rawX
                                verticalOffset.value = it.rawY
                            }
                        }
                        true
                    },
                    color = Color.Red) {}
        }
    }
}