protected override void Render(Canvas canvas, double dt)
{
var view = _camera.ViewMatrix;
foreach (var obj in _objects)
{
var world = obj.WorldMatrix;
var worldViewProjection = world * view * _projection;
void VertexShader(in Face face, out Vertex vertex, out Vector4 projection)
{
var position = obj.Model.Vertices[face.Vertex];
var normal = obj.Model.Normals[face.Normal];
var uv = face.Texture < 0 ? Vector2.Zero : obj.Model.TextureCoords[face.Texture];
projection = worldViewProjection * (position, 1);
normal = (world * (normal, 0)).XYZ.Normalized;
vertex = new Vertex
{
Normal = normal,
UV = uv
};
}
void PixelShader(Material material, in Vertex input, out Vector3 color)
{
var shade = Vector3.Dot(input.Normal, _lightDirection);
shade = Math.Min(1, Math.Max(0, shade * _lightIntensity + (1 - _lightIntensity)));
color = material.DiffuseColor * shade;
if (material.AmbientTexture != null)
{
color = material.AmbientTexture[input.UV] * shade;
}
}
if (_wireframe)
{
WireframeRenderer.Render(
canvas,
obj.Model,
obj.WorldMatrix * view * _projection,
Pixel.Red
);
}
else
{
FillingRenderer.Render <Vertex>(
canvas,
obj.Model.Faces,
obj.Model.Triangles,
VertexShader, PixelShader,
CullingMode.Clockwise
);
}
}
}
void createObjects()
{
dropdown.options.Clear();
//want to set the color here, but don't have time to figure this out
//dropdown.GetComponent("Label").GetComponent<Text>().color = color;
for (int i = 0; i < ParticleCount; i++)
{
//spheres
GameObject sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
sphere.name = names[i];
sphere.transform.position = positions[i];
sphere.transform.localScale = new Vector3(sizes[i], sizes[i], sizes[i]);
sphere.transform.SetParent(transform);
WireframeRenderer wr = sphere.AddComponent <WireframeRenderer>();
wr.LineColor = color;
wr.Scale = sizes[i];
wr.Center = positions[i];
wr.ShowBackFaces = true;
// wr.enabled = false;
// var renderer = sphere.GetComponent<Renderer>();
// renderer.sharedMaterial = material;
// renderer.sharedMaterial.color = color;
///////////////////////
//also add a canvas with a label containing the name
// Canvas
//https://docs.unity3d.com/ScriptReference/Canvas.html
GameObject myGO = new GameObject();
myGO.name = "Canvas";
myGO.transform.SetParent(sphere.transform);
//myGO.transform.position = new Vector3(positions[i].x, positions[i].y + 0.1f, positions[i].z);
Canvas myCanvas = myGO.AddComponent <Canvas>();
//myCanvas.renderMode = RenderMode.ScreenSpaceOverlay;
myCanvas.renderMode = RenderMode.WorldSpace;
myCanvas.transform.localPosition = new Vector3(0f, 1f, 0f); //not sure what the units are here
// myGO.AddComponent<CanvasScaler>();
// myGO.AddComponent<GraphicRaycaster>();
// Text
GameObject myText = new GameObject();
myText.name = "Text";
myText.transform.SetParent(myGO.transform);
myText.transform.localPosition = new Vector3(0f, 0f, 0f);
Text text = myText.AddComponent <Text>();
text.text = names[i];
text.color = color;
text.font = font;
text.fontSize = fontsize;
text.material = font.material;
text.alignment = TextAnchor.MiddleCenter;
var rectTransform = text.transform as RectTransform;
rectTransform.sizeDelta = new Vector2(500f, rectTransform.sizeDelta.y);
//Also I want to make the text always face the camera and also remain the same size on the screen
/////////////////////
//dropdown
dropdown.options.Add(new Dropdown.OptionData()
{
text = names[i]
});
}
}
