/// <summary>
/// Gets a <see cref="BoundingBoxRenderer"/> that wraps specified <paramref name="model"/>.
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public static BoundingBoxRenderer GetBoundingBoxRenderer(this IModelSpace model)
{
BoundingBoxRenderer boxRenderer = BoundingBoxRenderer.Create(model.Lengths);
boxRenderer.SwitchList.Add(new LineWidthSwitch(lineWidth: 1.0f));
boxRenderer.CopyModelSpaceStateFrom(model);
return(boxRenderer);
}
/// <summary>
/// Gets a <see cref="BoundingBoxRenderer"/> that wraps specified <paramref name="model"/>.
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public static BoundingBoxRenderer GetBoundingBoxRenderer(this IModelSpace model)
{
BoundingBoxRenderer boxRenderer = BoundingBoxRenderer.Create(model.ModelSize);
boxRenderer.StateList.Add(new LineWidthState(lineWidth: 1.0f));
//boxRenderer.CopyModelSpaceStateFrom(model);
boxRenderer.ModelSize = model.ModelSize;
return(boxRenderer);
}
/// <summary>
/// Render this bounding box.
/// </summary>
/// <param name="boundingBox"></param>
/// <param name="color"></param>
/// <param name="arg"></param>
public static void Render(this IBoundingBox boundingBox, Color color, RenderEventArgs arg)
{
if (renderer == null)
{
var lengths = new vec3(1, 1, 1);
renderer = BoundingBoxRenderer.Create(lengths);
renderer.Initialize();
}
renderer.WorldPosition = boundingBox.MaxPosition / 2 + boundingBox.MinPosition / 2;
renderer.Scale = boundingBox.MaxPosition - boundingBox.MinPosition;
renderer.BoundingBoxColor = color;
renderer.Render(arg);
}
/// <summary>
/// Render this bounding box.
/// </summary>
/// <param name="boundingBox"></param>
/// <param name="color"></param>
/// <param name="arg"></param>
public static void Render(this IBoundingBox boundingBox, Color color, RenderEventArgs arg)
{
if (renderer == null)
{
var lengths = new vec3(1, 1, 1);
renderer = BoundingBoxRenderer.Create(lengths);
renderer.Initialize();
}
renderer.WorldPosition = boundingBox.MaxPosition / 2 + boundingBox.MinPosition / 2;
renderer.Scale = boundingBox.MaxPosition - boundingBox.MinPosition;
renderer.BoundingBoxColor = color;
renderer.Render(arg);
}
/// <summary>
/// Render this bounding box.
/// </summary>
/// <param name="boundingBox"></param>
/// <param name="color"></param>
/// <param name="arg"></param>
public static void Render(this IBoundingBox boundingBox, Color color, RenderEventArgs arg)
{
if (renderer == null)
{
var lengths = new vec3(1, 1, 1);
renderer = BoundingBoxRenderer.Create(lengths);
renderer.Initialize();
}
mat4 model = glm.translate(mat4.identity(), boundingBox.MaxPosition / 2 + boundingBox.MinPosition / 2);
model = glm.scale(model, boundingBox.MaxPosition - boundingBox.MinPosition);
renderer.ModelMatrix = model;
renderer.BoundingBoxColor = color;
renderer.Render(arg);
}
/// <summary>
/// get a bounding box renderer.
/// </summary>
/// <param name="lengths">bounding box's length at x, y, z direction.</param>
/// <returns></returns>
public static BoundingBoxRenderer Create(vec3 lengths)
{
var model = new BoundingBoxModel(lengths);
var shaderCodes = new ShaderCode[2];
shaderCodes[0] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources\BoundingBox.vert"), ShaderType.VertexShader);
shaderCodes[1] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources\BoundingBox.frag"), ShaderType.FragmentShader);
var map = new AttributeMap();
map.Add("in_Position", BoundingBoxModel.strPosition);
var result = new BoundingBoxRenderer(model, shaderCodes, map, new PolygonModeState(PolygonMode.Line), new PolygonOffsetFillState());
result.ModelSize = lengths;
return(result);
}
/// <summary>
/// get a bounding box renderer.
/// </summary>
/// <param name="lengths">bounding box's length at x, y, z direction.</param>
/// <param name="originalWorldPosition"></param>
/// <returns></returns>
public static BoundingBoxRenderer Create(vec3 lengths, vec3 originalWorldPosition = new vec3())
{
var bufferable = new BoundingBoxModel(lengths);
var shaderCodes = new ShaderCode[2];
shaderCodes[0] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources\BoundingBox.vert"), ShaderType.VertexShader);
shaderCodes[1] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources\BoundingBox.frag"), ShaderType.FragmentShader);
var map = new PropertyNameMap();
map.Add("in_Position", BoundingBoxModel.strPosition);
var result = new BoundingBoxRenderer(bufferable, shaderCodes, map, new PolygonModeSwitch(PolygonModes.Lines), new PolygonOffsetFillSwitch());
result.halfLengths = new vec4(lengths / 2, 1.0f);
result.OriginalWorldPosition = originalWorldPosition;
result.ModelMatrix = glm.translate(mat4.identity(), originalWorldPosition);
return(result);
}
/// <summary>
/// Gets a <see cref="SceneObject"/> that contains this renderer.
/// </summary>
/// <param name="renderer"></param>
/// <param name="name"></param>
/// <param name="generateBoundingBox"></param>
/// <param name="scripts"></param>
/// <returns></returns>
public static SceneObject WrapToSceneObject(
this RendererBase renderer,
string name,
bool generateBoundingBox,
params Script[] scripts)
{
var obj = new SceneObject();
obj.Renderer = renderer;
obj.Name = name;
obj.Scripts.AddRange(scripts);
if (generateBoundingBox)
{
BoundingBoxRenderer box = renderer.GetBoundingBoxRenderer();
box.BoundingBoxColor = Color.Gray;
var boxObj = new SceneObject();
boxObj.Renderer = box;
boxObj.Name = string.Format("Box of [{0}]", name);
obj.Children.Add(boxObj);
}
return(obj);
}
/// <summary>
/// Gets a <see cref="BoundingBoxRenderer"/> that wraps specified <paramref name="models"/>.
/// </summary>
/// <param name="models"></param>
/// <returns></returns>
public static BoundingBoxRenderer GetBoundingBoxRenderer(this IModelSpace[] models)
{
if (models == null)
{
throw new System.ArgumentNullException();
}
vec3 max = new vec3();
vec3 min = new vec3();
{
bool initialized = false;
foreach (var model in models)
{
if (!initialized)
{
model.GetMaxMinPosition(out max, out min);
initialized = true;
}
else
{
vec3 tmpMax, tmpMin;
model.GetMaxMinPosition(out tmpMax, out tmpMin);
tmpMax.UpdateMax(ref max);
tmpMin.UpdateMin(ref min);
}
}
}
vec3 lengths = (max - min);
vec3 worldPosition = max / 2.0f + min / 2.0f;
BoundingBoxRenderer boxRenderer = BoundingBoxRenderer.Create(lengths);
boxRenderer.SwitchList.Add(new LineWidthSwitch(lineWidth: 1.0f));
boxRenderer.WorldPosition = worldPosition;
return(boxRenderer);
}
private bool UpdateCurrentNode(TreeNode node)
{
bool updated = false;
var stack = new Stack<TreeNode>();
stack.Push(node);
BoundingBoxRenderer selectedRenderer = null;
while (stack.Count > 0)
{
TreeNode current = stack.Pop();
var obj = current.Tag as SceneObject;
if (obj != null)
{
var renderer = obj.Renderer as BoundingBoxRenderer;
if (renderer != null)
{
selectedRenderer = renderer;
break;
}
}
foreach (TreeNode item in current.Nodes)
{
stack.Push(item);
}
}
if (selectedRenderer != lastselectedBoxRenderer)
{
if (selectedRenderer != null)
{
selectedRenderer.BoundingBoxColor = Color.Aqua;
var glState = selectedRenderer.StateList.Find(x => x is LineWidthState) as LineWidthState;
glState.LineWidth = 3;
}
if (lastselectedBoxRenderer != null)
{
lastselectedBoxRenderer.BoundingBoxColor = Color.White;
var glState = lastselectedBoxRenderer.StateList.Find(x => x is LineWidthState) as LineWidthState;
glState.LineWidth = 1;
}
this.lastselectedBoxRenderer = selectedRenderer;
updated = true;
}
return updated;
}
/// <summary>
/// get a bounding box renderer.
/// </summary>
/// <param name="lengths">bounding box's length at x, y, z direction.</param>
/// <returns></returns>
public static BoundingBoxRenderer Create(vec3 lengths)
{
var model = new BoundingBoxModel(lengths);
var shaderCodes = new ShaderCode[2];
shaderCodes[0] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources\BoundingBox.vert"), ShaderType.VertexShader);
shaderCodes[1] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources\BoundingBox.frag"), ShaderType.FragmentShader);
var map = new AttributeMap();
map.Add("in_Position", BoundingBoxModel.strPosition);
var result = new BoundingBoxRenderer(model, shaderCodes, map, new PolygonModeState(PolygonMode.Line), new PolygonOffsetFillState());
result.ModelSize = lengths;
return result;
}
