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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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.android.testapp;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.FileInputStream;
import java.io.BufferedInputStream;
import java.io.Writer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.Vector;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.AsyncTask;
import android.renderscript.*;
import android.renderscript.Allocation.MipmapControl;
import android.renderscript.Element.Builder;
import android.renderscript.Font.Style;
import android.renderscript.Program.TextureType;
import android.renderscript.ProgramStore.DepthFunc;
import android.util.Log;
import com.android.scenegraph.*;
public class TouchHandler {
private static String TAG = "TouchHandler";
public TouchHandler() {
}
public void init(Scene scene) {
mCameraRotate = (CompoundTransform)scene.getTransformByName("CameraAim");
mCameraDist = (CompoundTransform)scene.getTransformByName("CameraDist");
if (mCameraRotate != null && mCameraDist != null) {
mRotateX = mCameraRotate.mTransformComponents.get(2);
mRotateY = mCameraRotate.mTransformComponents.get(1);
mDist = mCameraDist.mTransformComponents.get(0);
}
}
private Resources mRes;
private RenderScriptGL mRS;
float mLastX;
float mLastY;
CompoundTransform mCameraRotate;
CompoundTransform mCameraDist;
CompoundTransform.Component mRotateX;
CompoundTransform.Component mRotateY;
CompoundTransform.Component mDist;
public void onActionDown(float x, float y) {
mLastX = x;
mLastY = y;
}
public void onActionScale(float scale) {
if (mCameraDist == null) {
return;
}
mDist.mValue.z *= 1.0f / scale;
mDist.mValue.z = Math.max(20.0f, Math.min(mDist.mValue.z, 100.0f));
mCameraDist.updateRSData();
}
public void onActionMove(float x, float y) {
if (mCameraRotate == null) {
return;
}
float dx = mLastX - x;
float dy = mLastY - y;
if (Math.abs(dy) <= 2.0f) {
dy = 0.0f;
}
if (Math.abs(dx) <= 2.0f) {
dx = 0.0f;
}
mRotateY.mValue.w += dx*0.25;
if (mRotateY.mValue.w > 360) {
mRotateY.mValue.w -= 360;
}
if (mRotateY.mValue.w < 0) {
mRotateY.mValue.w += 360;
}
mRotateX.mValue.w += dy*0.25;
mRotateX.mValue.w = Math.max(mRotateX.mValue.w, -80.0f);
mRotateX.mValue.w = Math.min(mRotateX.mValue.w, 0.0f);
mLastX = x;
mLastY = y;
mCameraRotate.updateRSData();
}
}
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