Android Open Source - Schooner-3D Action

• Back to Game/3d  ↑

From Project

Back to project page Schooner-3D.

License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2012 Dan Mercer/*from w  w  w.  j a  v  a  2 s .c  om*/
 * 
 * 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.supermercerbros.gameengine.armature;

import java.util.Iterator;

import android.util.SparseArray;

import com.supermercerbros.gameengine.math.Curve;
import com.supermercerbros.gameengine.motion.Movement;

public class Action {
  private final SparseArray<Curve> boneCurves;
  public final Movement movement;
  
  public Action(Movement movement, SparseArray<Curve> curves) {
    this.boneCurves = curves;
    this.movement = movement;
  }

  public void update(ActionData data, Skeleton skeleton, long time) {    
    if (time < data.startTime) {
      // Interpolating to the action
      final float framePoint = (time - data.callTime) / (data.startTime - data.callTime);
      final Iterator<Bone> iter = skeleton.bones.iterator();
      for (int i = 0; iter.hasNext(); i++) {
        final int offset = i*4;
        final Bone bone = iter.next();
        
        final float sw = data.callState.boneStates[offset    ];
        final float sx = data.callState.boneStates[offset + 1];
        final float sy = data.callState.boneStates[offset + 2];
        final float sz = data.callState.boneStates[offset + 3];
        
        final float fw, fx, fy, fz;
        Curve wCurve = boneCurves.get(offset    );
        if (wCurve != null) {
          Curve xCurve = boneCurves.get(offset + 1);
          Curve yCurve = boneCurves.get(offset + 2);
          Curve zCurve = boneCurves.get(offset + 3);
          fw = wCurve.getStartValue();
          fx = xCurve.getStartValue();
          fy = yCurve.getStartValue();
          fz = zCurve.getStartValue();
        } else {
          fw = 1.0f;
          fx = 0.0f;
          fy = 0.0f;
          fz = 0.0f;
        }
        final float w = sw + (fw - sw) * framePoint;
        final float x = sx + (fx - sx) * framePoint;
        final float y = sy + (fy - sy) * framePoint;
        final float z = sz + (fz - sz) * framePoint;
        bone.setRotation(w, x, y, z);
      }
    } else {
      // Interpolating in the action
      final float framePoint = ((float) (time - data.startTime)) / data.duration;
      
      //TODO: do this more better-er. See MeshAnimation, line 74-ish
      if (framePoint > 1.0f) {
        return; // Don't animate.
      }
      
      final Iterator<Bone> iter = skeleton.bones.iterator();
      for (int i = 0; iter.hasNext(); i++) {
        final int offset = i*4;
        final Bone bone = iter.next();
        
        Curve wCurve = boneCurves.get(offset    );
        if (wCurve != null) {
          Curve xCurve = boneCurves.get(offset + 1);
          Curve yCurve = boneCurves.get(offset + 2);
          Curve zCurve = boneCurves.get(offset + 3);
          
          final float w = wCurve.getInterpolation(framePoint);
          final float x = xCurve.getInterpolation(framePoint);
          final float y = yCurve.getInterpolation(framePoint);
          final float z = zCurve.getInterpolation(framePoint);
          bone.setRotation(w, x, y, z);
        } 
      }
    }
    
  }
}

Java Source Code List

• Back to Game/3d  ↑