#include <dali-toolkit/internal/controls/scrollable/bouncing-effect-actor.h>
// EXTERNAL INCLUDES
-#include <math.h>
-#include <dali/public-api/actors/mesh-actor.h>
-#include <dali/public-api/animation/active-constraint.h>
-#include <dali/public-api/animation/constraint.h>
-#include <dali/public-api/geometry/animatable-mesh.h>
-#include <dali/public-api/shader-effects/shader-effect.h>
#include <dali/public-api/math/vector3.h>
+#include <dali/public-api/object/property-map.h>
+#include <dali/devel-api/object/property-buffer.h>
+#include <dali/devel-api/rendering/geometry.h>
+#include <dali/devel-api/rendering/texture-set.h>
+#include <dali/devel-api/rendering/renderer.h>
+#include <dali/devel-api/rendering/shader.h>
namespace Dali
{
namespace
{
// Bouncing effect is presented by stacked three layers with same color and opacity
-const size_t NUM_LAYERS( 3 );
-const Vector3 LAYER_HEIGHTS( 1.f, 27.f/42.f, 13.f/42.f);
-
-// use the actor color to paint every layer
-const char* MESH_FRAGMENT_SHADER =
-"void main()\n"
-"{\n"
-" gl_FragColor = uColor;\n"
-"}\n";
-
-// Constraint to move the vertices vertically
-struct VertexPositionConstraint
+const float LAYER_HEIGHTS[5] =
{
- VertexPositionConstraint( float initialY, float range )
- : mInitialY( initialY ),
- mRange( range )
- {
- }
+ 1.f,
+ 26.f * 4.f/ 130.f,
+ 26.f * 3.f / 130.f,
+ 26.f * 2.f / 130.f,
+ 26.f / 130.f
+};
- Vector3 operator()( const Vector3& current, const PropertyInput& bounceCoef )
- {
- float positionY = mInitialY + mRange * fabsf(bounceCoef.GetFloat());
- return Vector3( current.x, positionY, current.z );
- }
+#define MAKE_SHADER(A)#A
+
+// Modify the vertex position according to the bounce coefficient;
+const char* MESH_VERTEX_SHADER = MAKE_SHADER(
+attribute mediump vec3 aPosition1;\n
+attribute mediump vec3 aPosition2;\n
+uniform mediump mat4 uMvpMatrix;\n
+uniform mediump vec3 uSize;
+uniform mediump float uBounceCoefficient;\n
+\n
+void main()\n
+{\n
+ gl_Position = uMvpMatrix * vec4(mix( aPosition1, aPosition2, abs(uBounceCoefficient) )*uSize, 1.0);\n
+}
+);
- float mInitialY;
- float mRange;
-};
+// use the actor color to paint every layer
+const char* MESH_FRAGMENT_SHADER = MAKE_SHADER(
+uniform lowp vec4 uColor;\n
+void main()\n
+{\n
+ gl_FragColor = uColor;\n
+}\n
+);
} // namespace Anon
Actor CreateBouncingEffectActor( Property::Index& bouncePropertyIndex )
{
- Dali::AnimatableMesh mesh;
- Dali::MeshActor meshActor;
-
- Dali::AnimatableMesh::Faces faces;
- faces.reserve( NUM_LAYERS * 6 ); // 2 triangles per layer
- for( size_t i=0; i<NUM_LAYERS; i++ )
- {
- size_t j=i*4;
- faces.push_back(j); faces.push_back(j+3); faces.push_back(j+1);
- faces.push_back(j); faces.push_back(j+2); faces.push_back(j+3);
- }
-
- mesh = Dali::AnimatableMesh::New(NUM_LAYERS*4, faces); // 4 vertices per layer
- for( size_t i=0;i<NUM_LAYERS;i++ )
- {
- size_t j=i*4;
- float positionZ = 0.01f*static_cast<float>( i ); // the interval between each layer is 0.01
- mesh[j ].SetPosition( Vector3( -0.5f, -0.5f, positionZ ) );
- mesh[j+1].SetPosition( Vector3( 0.5f, -0.5f, positionZ ) );
- mesh[j+2].SetPosition( Vector3( -0.5f, -0.5f, positionZ ) );
- mesh[j+3].SetPosition( Vector3( 0.5f, -0.5f, positionZ ) );
- }
-
- meshActor = Dali::MeshActor::New(mesh);
- meshActor.SetAffectedByLighting(false);
-
- Dali::ShaderEffect shaderEffect = Dali::ShaderEffect::New( "", MESH_FRAGMENT_SHADER,
- GEOMETRY_TYPE_UNTEXTURED_MESH,
- Dali::ShaderEffect::HINT_BLENDING );
- meshActor.SetShaderEffect(shaderEffect);
-
- // To control the movement of all vertices with one custom property
- bouncePropertyIndex = meshActor.RegisterProperty("BounceCoeffcient", 0.f);
- for( size_t i=0;i<NUM_LAYERS;i++ )
+ // Create the bouncing mesh geometry
+ struct VertexPosition
{
- size_t j=i*4;
- mesh.ApplyConstraint( Constraint::New<Vector3>( mesh.GetPropertyIndex(j+2, AnimatableVertex::POSITION ),
- Source(meshActor, bouncePropertyIndex),
- VertexPositionConstraint(-0.5f, LAYER_HEIGHTS[i]) ) );
- mesh.ApplyConstraint( Constraint::New<Vector3>( mesh.GetPropertyIndex(j+3, AnimatableVertex::POSITION),
- Source(meshActor, bouncePropertyIndex),
- VertexPositionConstraint(-0.5f, LAYER_HEIGHTS[i]) ) );
- }
+ Vector3 position1;
+ Vector3 position2;
+ };
+ // 4 vertices 2 triangles per layer. The depth interval between each layer is 0.01
+ VertexPosition vertexData[20] = {
+ // bottom layer
+ { Vector3( -0.5f, -0.5f, 0.f ), Vector3( -0.5f, -0.5f, 0.f ) },
+ { Vector3( 0.5f, -0.5f, 0.f ), Vector3( 0.5f, -0.5f, 0.f ) },
+ { Vector3( -0.5f, -0.5f, 0.f ), Vector3( -0.5f, -0.5f + LAYER_HEIGHTS[0], 0.f ) },
+ { Vector3( 0.5f, -0.5f, 0.f ), Vector3( 0.5f, -0.5f+ LAYER_HEIGHTS[0], 0.f ) },
+ // mid-bottom layer
+ { Vector3( -0.5f, -0.5f, 0.01f ), Vector3( -0.5f, -0.5f, 0.01f ) },
+ { Vector3( 0.5f, -0.5f, 0.01f ), Vector3( 0.5f, -0.5f, 0.01f ) },
+ { Vector3( -0.5f, -0.5f, 0.01f ), Vector3( -0.5f, -0.5f + LAYER_HEIGHTS[1], 0.01f ) },
+ { Vector3( 0.5f, -0.5f, 0.01f ), Vector3( 0.5f, -0.5f+ LAYER_HEIGHTS[1], 0.01f ) },
+ // middle layer
+ { Vector3( -0.5f, -0.5f, 0.02f ), Vector3( -0.5f, -0.5f, 0.02f ) },
+ { Vector3( 0.5f, -0.5f, 0.02f ), Vector3( 0.5f, -0.5f, 0.02f ) },
+ { Vector3( -0.5f, -0.5f, 0.02f ), Vector3( -0.5f, -0.5f + LAYER_HEIGHTS[2], 0.02f ) },
+ { Vector3( 0.5f, -0.5f, 0.02f ), Vector3( 0.5f, -0.5f+ LAYER_HEIGHTS[2], 0.02f ) },
+ // mid-top layer
+ { Vector3( -0.5f, -0.5f, 0.03f ), Vector3( -0.5f, -0.5f, 0.03f ) },
+ { Vector3( 0.5f, -0.5f, 0.03f ), Vector3( 0.5f, -0.5f, 0.03f ) },
+ { Vector3( -0.5f, -0.5f, 0.03f ), Vector3( -0.5f, -0.5f + LAYER_HEIGHTS[3], 0.03f ) },
+ { Vector3( 0.5f, -0.5f, 0.03f ), Vector3( 0.5f, -0.5f+ LAYER_HEIGHTS[3], 0.03f ) },
+ // top layer
+ { Vector3( -0.5f, -0.5f, 0.04f ), Vector3( -0.5f, -0.5f, 0.04f ) },
+ { Vector3( 0.5f, -0.5f, 0.04f ), Vector3( 0.5f, -0.5f, 0.04f ) },
+ { Vector3( -0.5f, -0.5f, 0.04f ), Vector3( -0.5f, -0.5f + LAYER_HEIGHTS[4], 0.04f ) },
+ { Vector3( 0.5f, -0.5f, 0.04f ), Vector3( 0.5f, -0.5f+ LAYER_HEIGHTS[4], 0.04f ) }
+ };
+ Property::Map vertexFormat;
+ vertexFormat["aPosition1"] = Property::VECTOR3;
+ vertexFormat["aPosition2"] = Property::VECTOR3;
+ PropertyBuffer vertices = PropertyBuffer::New( vertexFormat );
+ vertices.SetData( vertexData, 20u );
+
+ unsigned int indexData[30] = { 0,3,1,0,2,3,4,7,5,4,6,7,8,11,9,8,10,11,12,15,13,12,14,15,16,19,17,16,18,19};
+ Property::Map indexFormat;
+ indexFormat["indices"] = Property::INTEGER;
+ PropertyBuffer indices = PropertyBuffer::New( indexFormat );
+ indices.SetData( indexData, 30u );
+
+ Geometry meshGeometry = Geometry::New();
+ meshGeometry.AddVertexBuffer( vertices );
+ meshGeometry.SetIndexBuffer( indices );
+
+ // Create the shader
+ Shader shader = Shader::New( MESH_VERTEX_SHADER, MESH_FRAGMENT_SHADER );
+
+ // Create renderer
+ Renderer renderer = Renderer::New( meshGeometry, shader );
+
+ // Create actor
+ Actor meshActor= Actor::New();
+ meshActor.AddRenderer( renderer );
+
+ // Register property
+ bouncePropertyIndex = meshActor.RegisterProperty("uBounceCoefficient", 0.f);
return meshActor;
}
projects / platform / core / uifw / dali-toolkit.git / blobdiff