46 lines
1.3 KiB
Java
46 lines
1.3 KiB
Java
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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.gl.view;
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import android.os.SystemClock;
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//
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// The animation time should ideally be the vsync time the frame will be
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// displayed, but that is an unknown time in the future. So we use the system
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// time just after eglSwapBuffers (when GLSurfaceView.onDrawFrame is called)
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// as a approximation.
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//
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public class AnimationTime {
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private static volatile long sTime;
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// Sets current time as the animation time.
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public static void update() {
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sTime = SystemClock.uptimeMillis();
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}
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// Returns the animation time.
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public static long get() {
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return sTime;
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}
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public static long startTime() {
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sTime = SystemClock.uptimeMillis();
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return sTime;
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}
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}
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