cluster-style-impl.cpp
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/*
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
*
* 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.
*
*/
// CLASS HEADER
#include "cluster-style-impl.h"
// EXTERNAL INCLUDES
#include <dali/public-api/animation/animation.h>
// INTERNAL INCLUDES
#include "cluster.h"
namespace Dali
{
namespace // unnamed namespace
{
// Cluster style one
const unsigned int STYLE_1_CHILDREN_NUMBER = 8;
const float STYLE_1_BACKGROUND_IMAGE_OFFSET_Z = 1.0f;
const float STYLE_1_CHILD_OFFSET_Z = 2.0f;
const float STYLE_1_CHILD_GAP_FACTOR = 0.03f;
const float STYLE_1_CHILD_SIZE_FACTOR[] = { 0.4f, 0.15f, 0.25f, 0.15f, 0.4f, 0.15f, 0.25f, 0.15f };
const Vector3 STYLE_1_CHILD_POSITION_FACTOR[] = { Vector3(0.5f - STYLE_1_CHILD_SIZE_FACTOR[0] - STYLE_1_CHILD_GAP_FACTOR * 0.5f,
0.5f - STYLE_1_CHILD_SIZE_FACTOR[0] - STYLE_1_CHILD_GAP_FACTOR * 0.5f,
STYLE_1_CHILD_OFFSET_Z),
Vector3(0.5f + STYLE_1_CHILD_GAP_FACTOR * 0.5f,
0.5f - STYLE_1_CHILD_SIZE_FACTOR[1] - STYLE_1_CHILD_SIZE_FACTOR[2] - STYLE_1_CHILD_GAP_FACTOR * 1.5f,
STYLE_1_CHILD_OFFSET_Z + 0.5f),
Vector3(0.5f + STYLE_1_CHILD_GAP_FACTOR * 0.5f,
0.5f - STYLE_1_CHILD_SIZE_FACTOR[2] - STYLE_1_CHILD_GAP_FACTOR * 0.5f,
STYLE_1_CHILD_OFFSET_Z + 1.0f),
Vector3(0.5f + STYLE_1_CHILD_SIZE_FACTOR[2] + STYLE_1_CHILD_GAP_FACTOR * 1.5f,
0.5f - STYLE_1_CHILD_SIZE_FACTOR[3] - STYLE_1_CHILD_GAP_FACTOR * 0.5f,
STYLE_1_CHILD_OFFSET_Z + 1.5f),
Vector3(0.5f + STYLE_1_CHILD_GAP_FACTOR * 0.5f,
0.5f + STYLE_1_CHILD_GAP_FACTOR * 0.5f,
STYLE_1_CHILD_OFFSET_Z + 2.0f),
Vector3(0.5f - STYLE_1_CHILD_SIZE_FACTOR[5] - STYLE_1_CHILD_GAP_FACTOR * 0.5f,
0.5f + STYLE_1_CHILD_SIZE_FACTOR[6] + STYLE_1_CHILD_GAP_FACTOR * 1.5f,
STYLE_1_CHILD_OFFSET_Z + 2.5f),
Vector3(0.5f - STYLE_1_CHILD_SIZE_FACTOR[6] - STYLE_1_CHILD_GAP_FACTOR * 0.5f,
0.5f + STYLE_1_CHILD_GAP_FACTOR * 0.5f,
STYLE_1_CHILD_OFFSET_Z + 3.0f),
Vector3(0.5f - STYLE_1_CHILD_SIZE_FACTOR[6] - STYLE_1_CHILD_SIZE_FACTOR[7] - STYLE_1_CHILD_GAP_FACTOR * 1.5f,
0.5f + STYLE_1_CHILD_GAP_FACTOR * 0.5f,
STYLE_1_CHILD_OFFSET_Z + 3.5f) };
const Vector3 STYLE_1_TITLE_SIZE_FACTOR = Vector3(0.3f, 0.11f, 1.0f);
const Vector3 STYLE_1_TITLE_POSITION_FACTOR = Vector3(0.5f - STYLE_1_CHILD_SIZE_FACTOR[0] - STYLE_1_CHILD_GAP_FACTOR * 0.5f,
0.5f - STYLE_1_CHILD_SIZE_FACTOR[0] - STYLE_1_CHILD_GAP_FACTOR * 0.5f - STYLE_1_TITLE_SIZE_FACTOR.height + 0.02f,
0.0f);
const Vector3 STYLE_1_TITLE_POSITION_OFFSET = Vector3(0.0f, 0.0f, 8.0f);
// Cluster style two
const unsigned int STYLE_2_CHILDREN_NUMBER = 6;
const float STYLE_2_BACKGROUND_IMAGE_OFFSET_Z = 1.0f;
const float STYLE_2_CHILD_OFFSET_Z = 2.0f;
const float STYLE_2_CHILD_GAP_FACTOR = 0.03f;
const float STYLE_2_CHILD_SIZE_FACTOR[] = { 0.4f, 0.25f, 0.15f, 0.4f, 0.25f, 0.15f };
const Vector3 STYLE_2_CHILD_POSITION_FACTOR[] = { Vector3(0.5f - STYLE_2_CHILD_SIZE_FACTOR[0] - STYLE_2_CHILD_GAP_FACTOR * 0.5f,
0.5f - STYLE_2_CHILD_SIZE_FACTOR[0] * 0.75f,
STYLE_2_CHILD_OFFSET_Z),
Vector3(0.5f + STYLE_2_CHILD_GAP_FACTOR * 0.5f,
0.5f - STYLE_2_CHILD_SIZE_FACTOR[1] - STYLE_2_CHILD_SIZE_FACTOR[3] * 0.25f - STYLE_2_CHILD_GAP_FACTOR,
STYLE_2_CHILD_OFFSET_Z + 0.5f),
Vector3(0.5f + STYLE_2_CHILD_SIZE_FACTOR[1] + STYLE_2_CHILD_GAP_FACTOR * 1.5f,
0.5f - STYLE_2_CHILD_SIZE_FACTOR[2] - STYLE_2_CHILD_SIZE_FACTOR[3] * 0.25f - STYLE_2_CHILD_GAP_FACTOR,
STYLE_2_CHILD_OFFSET_Z + 1.0f),
Vector3(0.5f + STYLE_2_CHILD_GAP_FACTOR * 0.5f,
0.5f - STYLE_2_CHILD_SIZE_FACTOR[3] * 0.25f,
STYLE_2_CHILD_OFFSET_Z + 1.5f),
Vector3(0.5f - STYLE_2_CHILD_SIZE_FACTOR[4] - STYLE_2_CHILD_GAP_FACTOR * 0.5f,
0.5f + STYLE_2_CHILD_SIZE_FACTOR[0] * 0.25f + STYLE_2_CHILD_GAP_FACTOR,
STYLE_2_CHILD_OFFSET_Z + 2.0f),
Vector3(0.5f - STYLE_2_CHILD_SIZE_FACTOR[4] - STYLE_2_CHILD_SIZE_FACTOR[5] - STYLE_2_CHILD_GAP_FACTOR * 1.5f,
0.5f + STYLE_2_CHILD_SIZE_FACTOR[0] * 0.25f + STYLE_2_CHILD_GAP_FACTOR,
STYLE_2_CHILD_OFFSET_Z + 2.5f) };
const Vector3 STYLE_2_TITLE_SIZE_FACTOR = Vector3(0.3f, 0.11f, 1.0f);
const Vector3 STYLE_2_TITLE_POSITION_FACTOR = Vector3(0.5f - STYLE_2_CHILD_SIZE_FACTOR[0] - STYLE_2_CHILD_GAP_FACTOR * 0.5f,
0.5f - STYLE_2_CHILD_SIZE_FACTOR[0] * 0.75f - STYLE_2_TITLE_SIZE_FACTOR.height + 0.02f,
0.0f);
const Vector3 STYLE_2_TITLE_POSITION_OFFSET = Vector3(0.0f, 0.0f, 8.0f);
// Cluster style three
const unsigned int STYLE_3_CHILDREN_NUMBER = 6;
const Vector3 STYLE_3_TITLE_SIZE_FACTOR = Vector3(0.4f, 0.15f, 1.0f);
const float STYLE_3_BACKGROUND_IMAGE_OFFSET_Z = 1.0f;
const float STYLE_3_CHILD_OFFSET_Z = 2.0f;
const float STYLE_3_CHILD_GAP_FACTOR = 0.03f;
const float STYLE_3_CHILD_SIZE_FACTOR[] = { 0.4f, 0.4f, 0.15f, 0.25f, 0.25f, 0.15f };
const float STYLE_3_CHILD_POSITION_OFFSET_Y = (1.0f - STYLE_3_CHILD_SIZE_FACTOR[0] - STYLE_3_CHILD_SIZE_FACTOR[3] - STYLE_3_CHILD_GAP_FACTOR - STYLE_3_TITLE_SIZE_FACTOR.height) * 0.5f;
const Vector3 STYLE_3_CHILD_POSITION_FACTOR[] = { Vector3(0.5f - STYLE_3_CHILD_SIZE_FACTOR[0] - STYLE_3_CHILD_GAP_FACTOR * 0.5f,
0.5f - STYLE_3_CHILD_SIZE_FACTOR[0] - STYLE_3_CHILD_GAP_FACTOR * 0.5f + STYLE_3_CHILD_POSITION_OFFSET_Y,
STYLE_3_CHILD_OFFSET_Z),
Vector3(0.5f + STYLE_3_CHILD_GAP_FACTOR * 0.5f,
0.5f - STYLE_3_CHILD_SIZE_FACTOR[1] - STYLE_3_CHILD_GAP_FACTOR * 0.5f + STYLE_3_CHILD_POSITION_OFFSET_Y,
STYLE_3_CHILD_OFFSET_Z + 0.5f),
Vector3(0.5f + STYLE_3_CHILD_SIZE_FACTOR[3] + STYLE_3_CHILD_GAP_FACTOR * 1.5f,
0.5f + STYLE_3_CHILD_GAP_FACTOR * 0.5f + STYLE_3_CHILD_POSITION_OFFSET_Y,
STYLE_3_CHILD_OFFSET_Z + 1.0f),
Vector3(0.5f + STYLE_3_CHILD_GAP_FACTOR * 0.5f,
0.5f + STYLE_3_CHILD_GAP_FACTOR * 0.5f + STYLE_3_CHILD_POSITION_OFFSET_Y,
STYLE_3_CHILD_OFFSET_Z + 1.5f),
Vector3(0.5f - STYLE_3_CHILD_SIZE_FACTOR[4] - STYLE_3_CHILD_GAP_FACTOR * 0.5f,
0.5f + STYLE_3_CHILD_GAP_FACTOR * 0.5f + STYLE_3_CHILD_POSITION_OFFSET_Y,
STYLE_3_CHILD_OFFSET_Z + 2.0f),
Vector3(0.5f - STYLE_3_CHILD_SIZE_FACTOR[4] - STYLE_3_CHILD_SIZE_FACTOR[5] - STYLE_3_CHILD_GAP_FACTOR * 1.5f,
0.5f + STYLE_3_CHILD_GAP_FACTOR * 0.5f + STYLE_3_CHILD_POSITION_OFFSET_Y,
STYLE_3_CHILD_OFFSET_Z + 2.5f) };
const Vector3 STYLE_3_TITLE_POSITION_FACTOR = Vector3(0.5f - STYLE_3_CHILD_SIZE_FACTOR[0] - STYLE_3_CHILD_GAP_FACTOR * 0.5f,
0.5f - STYLE_3_CHILD_SIZE_FACTOR[0] - STYLE_3_CHILD_GAP_FACTOR * 0.5f + STYLE_3_CHILD_POSITION_OFFSET_Y - STYLE_3_TITLE_SIZE_FACTOR.height + 0.02f,
0.0f);
const Vector3 STYLE_3_TITLE_POSITION_OFFSET = Vector3(0.0f, 0.0f, 8.0f);
// Cluster style four
const unsigned int STYLE_4_CHILDREN_NUMBER = 6;
const float STYLE_4_BACKGROUND_IMAGE_OFFSET_Z = 1.0f;
const float STYLE_4_CHILD_OFFSET_Z = 2.0f;
const float STYLE_4_CHILD_GAP_FACTOR = 0.03f;
const float STYLE_4_CHILD_SIZE_FACTOR[] = { 0.4f, 0.22f, 0.13f, 0.4f, 0.22f, 0.13f };
const Vector3 STYLE_4_CHILD_POSITION_FACTOR[] = { Vector3(0.5f - STYLE_4_CHILD_SIZE_FACTOR[0] * 0.9f,
0.5f - STYLE_4_CHILD_SIZE_FACTOR[0] - STYLE_4_CHILD_GAP_FACTOR * 0.5f,
STYLE_4_CHILD_OFFSET_Z),
Vector3(0.5f + STYLE_4_CHILD_SIZE_FACTOR[0] * 0.1f + STYLE_4_CHILD_GAP_FACTOR,
0.5f - STYLE_4_CHILD_SIZE_FACTOR[1] - STYLE_4_CHILD_GAP_FACTOR * 0.5f,
STYLE_4_CHILD_OFFSET_Z + 0.5f),
Vector3(0.5f + STYLE_4_CHILD_SIZE_FACTOR[0] * 0.1f + STYLE_4_CHILD_SIZE_FACTOR[1] + STYLE_4_CHILD_GAP_FACTOR * 2.0f,
0.5f - STYLE_4_CHILD_SIZE_FACTOR[2] - STYLE_4_CHILD_GAP_FACTOR * 0.5f,
STYLE_4_CHILD_OFFSET_Z + 1.0f),
Vector3(0.5f - STYLE_4_CHILD_SIZE_FACTOR[3] * 0.1f,
0.5f + STYLE_4_CHILD_GAP_FACTOR * 0.5f,
STYLE_4_CHILD_OFFSET_Z + 1.5f),
Vector3(0.5f - STYLE_4_CHILD_SIZE_FACTOR[3] * 0.1f - STYLE_4_CHILD_SIZE_FACTOR[4] - STYLE_4_CHILD_GAP_FACTOR,
0.5f + STYLE_4_CHILD_GAP_FACTOR * 0.5f,
STYLE_4_CHILD_OFFSET_Z + 2.0f),
Vector3(0.5f - STYLE_4_CHILD_SIZE_FACTOR[3] * 0.1f - STYLE_4_CHILD_SIZE_FACTOR[4] - STYLE_4_CHILD_SIZE_FACTOR[5] - STYLE_4_CHILD_GAP_FACTOR * 2.0f,
0.5f + STYLE_4_CHILD_GAP_FACTOR * 0.5f,
STYLE_4_CHILD_OFFSET_Z + 2.5f) };
const Vector3 STYLE_4_TITLE_SIZE_FACTOR = Vector3(0.3f, 0.11f, 1.0f);
const Vector3 STYLE_4_TITLE_POSITION_FACTOR = Vector3(0.5f - STYLE_4_CHILD_SIZE_FACTOR[0] * 0.9f,
0.5f - STYLE_4_CHILD_SIZE_FACTOR[0] - STYLE_4_CHILD_GAP_FACTOR * 0.5f - STYLE_4_TITLE_SIZE_FACTOR.height + 0.02f,
0.0f);
const Vector3 STYLE_4_TITLE_POSITION_OFFSET = Vector3(0.0f, 0.0f, 8.0f);
const unsigned int CLUSTER_RANDOM_SEED(0x17eac9f3); ///< Random seed for cluster data.
const int STYLE_RANDOM_CHILDREN_NUMBER = 16;
Vector3 FirstOrderEquation( const Vector3& source, const Vector3& relative, const Vector3& offset = Vector3::ZERO )
{
return source * relative + offset;
}
// random data generator //////////////////////////////////////////////////////
const unsigned int GEN_RAND_CONST = 0x15d9a373;
unsigned int genRandom(unsigned int& seed, unsigned int offset)
{
unsigned int shft = offset&31;
offset++;
seed^= (seed << (shft) | seed >> (32 - shft)) * (offset * GEN_RAND_CONST);
return seed;
}
float genRandomFloat(unsigned int& seed, unsigned int offset, float min, float max)
{
const float f = static_cast<float>(genRandom(seed, offset)) / 0xffffffff;
return f * (max - min) + min;
}
} // unnamed namespace
namespace Demo
{
namespace Internal
{
// ClusterStyle ///////////////////////////////////////////////////////////////
ClusterStyle::ClusterStyle()
: mMaxChildren(0),
mTitlePositionRelative(Vector3::ONE),
mTitlePositionOffset(Vector3::ZERO),
mTitleSize(Vector3::ONE),
mBackgroundPositionRelative(Vector3::ONE),
mBackgroundPositionOffset(Vector3::ZERO),
mBackgroundSize(Vector3::ONE),
mClusterSize( Vector3::ZERO )
{
}
ClusterStyle::~ClusterStyle()
{
}
void ClusterStyle::SetMaximumNumberOfChildren(unsigned int maxChildren)
{
mMaxChildren = maxChildren;
}
unsigned int ClusterStyle::GetMaximumNumberOfChildren() const
{
return mMaxChildren;
}
void ClusterStyle::ApplyStyleToBackground(Actor background, AlphaFunction alpha, const TimePeriod& durationSeconds)
{
Apply( background,
FirstOrderEquation( GetClusterSize(), mBackgroundPositionRelative, mBackgroundPositionOffset ),
FirstOrderEquation( GetClusterSize(), mBackgroundSize ),
alpha,
durationSeconds);
}
void ClusterStyle::ApplyStyleToTitle(Actor title, AlphaFunction alpha, const TimePeriod& durationSeconds)
{
Apply( title,
FirstOrderEquation( GetClusterSize(), mTitlePositionRelative, mTitlePositionOffset ),
FirstOrderEquation( GetClusterSize(), mTitleSize ),
alpha,
durationSeconds);
}
void ClusterStyle::SetTitleProperties(const Vector3& relativePosition,
const Vector3& offsetPosition,
const Vector3& size)
{
mTitlePositionRelative = relativePosition;
mTitlePositionOffset = offsetPosition;
mTitleSize = size;
}
void ClusterStyle::SetBackgroundProperties(const Vector3& relativePosition,
const Vector3& offsetPosition,
const Vector3& size)
{
mBackgroundPositionRelative = relativePosition;
mBackgroundPositionOffset = offsetPosition;
mBackgroundSize = size;
}
void ClusterStyle::SetClusterSize( const Vector3& clusterSize )
{
mClusterSize = clusterSize;
}
Vector3 ClusterStyle::GetClusterSize() const
{
return mClusterSize;
}
void ClusterStyle::Apply( Actor actor,
const Vector3& position,
const Vector3& size,
AlphaFunction alpha,
const TimePeriod& durationSeconds)
{
float animationDuration = durationSeconds.delaySeconds + durationSeconds.durationSeconds;
if( animationDuration > 0.f )
{
Animation animation = Animation::New(animationDuration);
animation.AnimateTo( Property( actor, Actor::Property::POSITION ), position, alpha, TimePeriod( durationSeconds.delaySeconds, durationSeconds.durationSeconds ) );
animation.AnimateTo( Property( actor, Actor::Property::SIZE ), size, alpha, TimePeriod( durationSeconds.delaySeconds, durationSeconds.durationSeconds ) );
animation.Play();
}
else
{
actor.SetPosition( position );
actor.SetSize( size );
}
}
void ClusterStyle::Apply( Actor actor,
const Vector3& position,
const Vector3& size,
const Quaternion& rotation,
const Vector3& scale,
AlphaFunction alpha,
const TimePeriod& durationSeconds)
{
float animationDuration = durationSeconds.delaySeconds + durationSeconds.durationSeconds;
if( animationDuration > 0.f )
{
Animation animation = Animation::New(animationDuration);
animation.AnimateTo( Property( actor, Actor::Property::POSITION ), position, alpha, TimePeriod( durationSeconds.delaySeconds, durationSeconds.durationSeconds ) );
animation.AnimateTo( Property( actor, Actor::Property::SIZE ), size, alpha, TimePeriod( durationSeconds.delaySeconds, durationSeconds.durationSeconds ) );
animation.AnimateTo( Property( actor, Actor::Property::ORIENTATION ), rotation, alpha, TimePeriod( durationSeconds.delaySeconds, durationSeconds.durationSeconds ) );
animation.AnimateTo( Property( actor, Actor::Property::SCALE ), scale, alpha, TimePeriod( durationSeconds.delaySeconds, durationSeconds.durationSeconds ) );
animation.Play();
}
else
{
actor.SetPosition( position );
actor.SetSize( size );
actor.SetOrientation( rotation );
actor.SetScale( scale );
}
}
// ClusterStyleStandard ///////////////////////////////////////////////////////
ClusterStylePtr ClusterStyleStandard::New(StyleType style)
{
ClusterStylePtr impl( new ClusterStyleStandard(style) );
return impl;
}
ClusterStyleStandard::ClusterStyleStandard(StyleType style)
: ClusterStyle(),
mSizes(NULL),
mPositions(NULL)
{
switch(style)
{
case Demo::ClusterStyleStandard::ClusterStyle1:
{
SetMaximumNumberOfChildren(STYLE_1_CHILDREN_NUMBER);
SetSizes(STYLE_1_CHILD_SIZE_FACTOR);
SetPositions(STYLE_1_CHILD_POSITION_FACTOR);
SetTitleProperties(STYLE_1_TITLE_POSITION_FACTOR,
STYLE_1_TITLE_POSITION_OFFSET,
STYLE_1_TITLE_SIZE_FACTOR);
SetBackgroundProperties(Vector3::ZERO,
Vector3(0.0f, 0.0f, STYLE_1_BACKGROUND_IMAGE_OFFSET_Z),
Vector3::ONE);
break;
}
case Demo::ClusterStyleStandard::ClusterStyle2:
{
SetMaximumNumberOfChildren(STYLE_2_CHILDREN_NUMBER);
SetSizes(STYLE_2_CHILD_SIZE_FACTOR);
SetPositions(STYLE_2_CHILD_POSITION_FACTOR);
SetTitleProperties(STYLE_2_TITLE_POSITION_FACTOR,
STYLE_2_TITLE_POSITION_OFFSET,
STYLE_2_TITLE_SIZE_FACTOR);
SetBackgroundProperties(Vector3::ZERO,
Vector3(0.0f, 0.0f, STYLE_2_BACKGROUND_IMAGE_OFFSET_Z),
Vector3::ONE);
break;
}
case Demo::ClusterStyleStandard::ClusterStyle3:
{
SetMaximumNumberOfChildren(STYLE_3_CHILDREN_NUMBER);
SetSizes(STYLE_3_CHILD_SIZE_FACTOR);
SetPositions(STYLE_3_CHILD_POSITION_FACTOR);
SetTitleProperties(STYLE_3_TITLE_POSITION_FACTOR,
STYLE_3_TITLE_POSITION_OFFSET,
STYLE_3_TITLE_SIZE_FACTOR);
SetBackgroundProperties(Vector3::ZERO,
Vector3(0.0f, 0.0f, STYLE_3_BACKGROUND_IMAGE_OFFSET_Z),
Vector3::ONE);
break;
}
case Demo::ClusterStyleStandard::ClusterStyle4:
{
SetMaximumNumberOfChildren(STYLE_4_CHILDREN_NUMBER);
SetSizes(STYLE_4_CHILD_SIZE_FACTOR);
SetPositions(STYLE_4_CHILD_POSITION_FACTOR);
SetTitleProperties(STYLE_4_TITLE_POSITION_FACTOR,
STYLE_4_TITLE_POSITION_OFFSET,
STYLE_4_TITLE_SIZE_FACTOR);
SetBackgroundProperties(Vector3::ZERO,
Vector3(0.0f, 0.0f, STYLE_4_BACKGROUND_IMAGE_OFFSET_Z),
Vector3::ONE);
break;
}
default:
{
DALI_ASSERT_ALWAYS(false && "Invalid Style");
break;
}
} // end switch
}
void ClusterStyleStandard::SetSizes(const float *sizes)
{
mSizes = sizes;
}
void ClusterStyleStandard::SetPositions(const Vector3 *positions)
{
mPositions = positions;
}
void ClusterStyleStandard::ApplyStyle(Actor child, unsigned int index, AlphaFunction alpha, const TimePeriod& durationSeconds)
{
if(mPositions)
{
const float& size = mSizes[index];
// counter top-left parent origin and top-left anchor point.
const Vector3 position = mPositions[index] - Vector3(0.5f, 0.5f, 0.0f) + Vector3(size, size, 0.0f) * 0.5f;
Apply( child,
FirstOrderEquation( GetClusterSize(), Vector3(position.x, position.y, 0.0f), Vector3(0.0f, 0.0f, position.z) ),
FirstOrderEquation( GetClusterSize(), Vector3::ONE * size ),
Quaternion(),
Vector3::ONE,
alpha,
durationSeconds);
}
}
// ClusterStyleRandom /////////////////////////////////////////////////////////
ClusterStylePtr ClusterStyleRandom::New()
{
ClusterStylePtr impl( new ClusterStyleRandom() );
return impl;
}
ClusterStyleRandom::ClusterStyleRandom()
: ClusterStyle()
{
SetMaximumNumberOfChildren(STYLE_RANDOM_CHILDREN_NUMBER);
SetTitleProperties(Vector3::ZERO,
Vector3::ZERO,
Vector3::ONE);
SetBackgroundProperties(Vector3::ZERO,
Vector3(0.0f, 0.0f, 0.0f),
Vector3::ONE);
}
void ClusterStyleRandom::ApplyStyle(Actor child, unsigned int index, AlphaFunction alpha, const TimePeriod& durationSeconds)
{
unsigned int seed = CLUSTER_RANDOM_SEED;
const float size = 0.5f;
const float rotation = genRandomFloat(seed, index, -1.0f, 1.0f) * Math::PI * 0.1; // +/- 18 degrees
const Vector3 position(genRandomFloat(seed, index, -0.1f, 0.1f),
genRandomFloat(seed, index, -0.1f, 0.1f),
0.0f);
Property::Index depthProperty = child.GetPropertyIndex(Demo::Cluster::CLUSTER_ACTOR_DEPTH);
float depthPropertyValue = child.GetProperty<float>( depthProperty );
Apply( child,
FirstOrderEquation( GetClusterSize(), Vector3(position.x, position.y, 0.0f), Vector3(0.0f, 0.0f, depthPropertyValue) ),
FirstOrderEquation( GetClusterSize(), Vector3::ONE * size),
Quaternion( Radian( rotation ), Vector3::ZAXIS ),
Vector3::ONE,
alpha,
durationSeconds);
}
} // namespace Internal
} // namespace Demo
} // namespace Dali