mojo/examples/sample_app/spinning_cube.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MOJO_EXAMPLES_SAMPLE_APP_SPINNING_CUBE_H_
   6 #define MOJO_EXAMPLES_SAMPLE_APP_SPINNING_CUBE_H_
   7
   8 #include <stdint.h>
   9
  10 #include "base/memory/scoped_ptr.h"
  11
  12 namespace examples {
  13
  14 class SpinningCube {
  15  public:
  16   SpinningCube();
  17   ~SpinningCube();
  18
  19   void Init(uint32_t width, uint32_t height);
  20   void set_direction(int direction) { direction_ = direction; }
  21   void set_color(float r, float g, float b) {
  22     color_[0] = r;
  23     color_[1] = g;
  24     color_[2] = b;
  25   }
  26   void SetFlingMultiplier(float drag_distance, float drag_time);
  27   void UpdateForTimeDelta(float delta_time);
  28   void UpdateForDragDistance(float distance);
  29   void Draw();
  30
  31   void OnGLContextLost();
  32
  33  private:
  34   class GLState;
  35
  36   void Update();
  37
  38   bool initialized_;
  39   uint32_t width_;
  40   uint32_t height_;
  41   scoped_ptr<GLState> state_;
  42   float fling_multiplier_;
  43   int direction_;
  44   float color_[3];
  45 };
  46
  47 }  // namespace examples
  48
  49 #endif  // MOJO_EXAMPLES_SAMPLE_APP_SPINNING_CUBE_H_