public Entity GenerateTranslationGizmo()
{
var entity = new Entity("TranslationGizmo");
entity.Set(TransformationComponent.Key, new TransformationComponent());
var gizmoActions = new[] { GizmoAction.TranslationX, GizmoAction.TranslationY, GizmoAction.TranslationZ };
var colors = new[] { Color.Green, Color.Blue, Color.Red };
var orientationMatrices = new[] { Matrix.Identity, Matrix.RotationZ((float)Math.PI * 0.5f), Matrix.RotationY(-(float)Math.PI * 0.5f) };
var albedoMaterial = new ShaderMixinSource()
{
"AlbedoDiffuseBase",
"AlbedoSpecularBase",
new ShaderComposition("albedoDiffuse", new ShaderClassSource("ComputeColorFixed", MaterialKeys.DiffuseColor)),
new ShaderComposition("albedoSpecular", new ShaderClassSource("ComputeColor")), // TODO: Default values!
};
for (int axis = 0; axis < 3; ++axis)
{
// Rendering
var lineEffectMeshData = new EffectMeshData();
lineEffectMeshData.Parameters = new ParameterCollection();
lineEffectMeshData.MeshData = MeshDataHelper.CreateLine(20.0f, colors[axis]);
lineEffectMeshData.EffectData = new EffectData("Gizmo")
{
AlbedoMaterial = albedoMaterial
};
var lineEntity = new Entity("ArrowCone");
lineEntity.GetOrCreate(ModelComponent.Key).SubMeshes.Add(lineEffectMeshData);
lineEntity.Set(TransformationComponent.Key, TransformationMatrix.CreateComponent(orientationMatrices[axis]));
var coneEffectMeshData = new EffectMeshData();
coneEffectMeshData.Parameters = new ParameterCollection();
coneEffectMeshData.MeshData = MeshDataHelper.CreateCone(2.5f, 10.0f, 10, colors[axis]);
coneEffectMeshData.EffectData = new EffectData("Gizmo")
{
AlbedoMaterial = albedoMaterial
};
var coneEntity = new Entity("ArrowBody");
coneEntity.GetOrCreate(ModelComponent.Key).SubMeshes.Add(coneEffectMeshData);
coneEntity.Set(TransformationComponent.Key, TransformationMatrix.CreateComponent(Matrix.Translation(20.0f, 0.0f, 0.0f) * orientationMatrices[axis]));
lineEntity.Set(GizmoColorKey, colors[axis]);
coneEntity.Set(GizmoColorKey, colors[axis]);
lineEntity.Set(GizmoActionKey, gizmoActions[axis]);
coneEntity.Set(GizmoActionKey, gizmoActions[axis]);
entity.Transformation.Children.Add(lineEntity.Transformation);
entity.Transformation.Children.Add(coneEntity.Transformation);
}
return(entity);
}
public Entity GenerateRotationGizmo()
{
var entity = new Entity("RotationGizmo");
entity.Set(TransformationComponent.Key, new TransformationComponent());
// TODO: Factorize some of this code with GenerateTranslationGizmo?
var gizmoActions = new[] { GizmoAction.RotationX, GizmoAction.RotationY, GizmoAction.RotationZ };
var orientationMatrices = new[] { Matrix.Identity, Matrix.RotationZ((float)Math.PI * 0.5f), Matrix.RotationY(-(float)Math.PI * 0.5f) };
var colors = new[] { Color.Green, Color.Blue, Color.Red };
var albedoMaterial = new ShaderMixinSource()
{
"AlbedoDiffuseBase",
"AlbedoSpecularBase",
new ShaderComposition("albedoDiffuse", new ShaderClassSource("ComputeColorFixed", MaterialKeys.DiffuseColor)),
new ShaderComposition("albedoSpecular", new ShaderClassSource("ComputeColor")), // TODO: Default values!
};
for (int axis = 0; axis < 3; ++axis)
{
// Rendering
var circleEffectMeshData = new EffectMeshData();
circleEffectMeshData.Parameters = new ParameterCollection();
circleEffectMeshData.MeshData = MeshDataHelper.CreateCircle(20.0f, 32, colors[axis]);
circleEffectMeshData.EffectData = new EffectData("Gizmo") { AlbedoMaterial = albedoMaterial };
var circleEntity = new Entity("ArrowCone");
circleEntity.GetOrCreate(ModelComponent.Key).SubMeshes.Add(circleEffectMeshData);
circleEntity.Set(TransformationComponent.Key, TransformationMatrix.CreateComponent(orientationMatrices[axis]));
circleEntity.Set(GizmoColorKey, colors[axis]);
circleEntity.Set(GizmoActionKey, gizmoActions[axis]);
entity.GetOrCreate(TransformationComponent.Key).Children.Add(circleEntity.GetOrCreate(TransformationComponent.Key));
}
return entity;
}