93 lines
3.0 KiB
Java
93 lines
3.0 KiB
Java
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package com.pedro.encoder.input.gl;
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import android.graphics.PointF;
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import android.os.Build;
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import androidx.annotation.RequiresApi;
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import android.view.MotionEvent;
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import android.view.View;
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import com.pedro.encoder.input.gl.render.filters.object.BaseObjectFilterRender;
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import com.pedro.encoder.input.video.CameraHelper;
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/**
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* Created by pedro on 9/09/17.
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*/
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@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
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public class SpriteGestureController {
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private BaseObjectFilterRender baseObjectFilterRender;
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private float lastDistance;
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private boolean preventMoveOutside = true;
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public SpriteGestureController() {
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}
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public SpriteGestureController(BaseObjectFilterRender sprite) {
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this.baseObjectFilterRender = sprite;
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}
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public BaseObjectFilterRender getBaseObjectFilterRender() {
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return baseObjectFilterRender;
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}
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public void setBaseObjectFilterRender(BaseObjectFilterRender baseObjectFilterRender) {
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this.baseObjectFilterRender = baseObjectFilterRender;
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}
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public void setPreventMoveOutside(boolean preventMoveOutside) {
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this.preventMoveOutside = preventMoveOutside;
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}
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public boolean spriteTouched(View view, MotionEvent motionEvent) {
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if (baseObjectFilterRender == null) return false;
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float xPercent = motionEvent.getX() * 100 / view.getWidth();
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float yPercent = motionEvent.getY() * 100 / view.getHeight();
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PointF scale = baseObjectFilterRender.getScale();
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PointF position = baseObjectFilterRender.getPosition();
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boolean xTouched = xPercent >= position.x && xPercent <= position.x + scale.x;
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boolean yTouched = yPercent >= position.y && yPercent <= position.y + scale.y;
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return xTouched && yTouched;
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}
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public void moveSprite(View view, MotionEvent motionEvent) {
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if (baseObjectFilterRender == null) return;
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if (motionEvent.getPointerCount() == 1) {
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float xPercent = motionEvent.getX() * 100 / view.getWidth();
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float yPercent = motionEvent.getY() * 100 / view.getHeight();
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PointF scale = baseObjectFilterRender.getScale();
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if (preventMoveOutside) {
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float x = xPercent - scale.x / 2.0F;
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float y = yPercent - scale.y / 2.0F;
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if (x < 0) {
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x = 0;
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}
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if (x + scale.x > 100.0F) {
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x = 100.0F - scale.x;
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}
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if (y < 0) {
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y = 0;
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}
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if (y + scale.y > 100.0F) {
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y = 100.0F - scale.y;
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}
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baseObjectFilterRender.setPosition(x, y);
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} else {
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baseObjectFilterRender.setPosition(xPercent - scale.x / 2f, yPercent - scale.y / 2f);
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}
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}
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}
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public void scaleSprite(MotionEvent motionEvent) {
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if (baseObjectFilterRender == null) return;
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if (motionEvent.getPointerCount() > 1) {
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float distance = CameraHelper.getFingerSpacing(motionEvent);
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float percent = distance >= lastDistance ? 1 : -1;
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PointF scale = baseObjectFilterRender.getScale();
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scale.x += percent;
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scale.y += percent;
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baseObjectFilterRender.setScale(scale.x, scale.y);
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lastDistance = distance;
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}
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}
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}
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