private static void ParseMaterials(string fileName)
{
MeshBasicMaterial currentMaterial = null;
var path = Path.GetDirectoryName(fileName);
var lines = File.ReadAllLines(fileName);
foreach (var line in lines)
{
if (line.Length == 0 || line.StartsWith("#")) continue;
var parts = line.Trim().Split(' ');
if (parts[0] == "newmtl")
{
currentMaterial = new MeshPhongMaterial(renderer)
{
Name = parts[1].Trim()
};
materials.Add(currentMaterial.Name, currentMaterial);
}
else if (parts[0] == "Ns")
{
var phong = currentMaterial as MeshPhongMaterial;
if (phong != null)
{
var hardness = Convert.ToSingle(parts[1]);
phong.Hardness = hardness;
}
}
else if (parts[0] == "Ni")
{
}
else if (parts[0] == "Ka")
{
var lambert = currentMaterial as MeshLambertMaterial;
if (lambert != null)
{
var r = Convert.ToSingle(parts[1]);
var g = Convert.ToSingle(parts[2]);
var b = Convert.ToSingle(parts[3]);
lambert.Ambient = new Color(r, g, b);
}
}
else if (parts[0] == "Kd")
{
var r = Convert.ToSingle(parts[1]);
var g = Convert.ToSingle(parts[2]);
var b = Convert.ToSingle(parts[3]);
currentMaterial.Diffuse = new Color(r, g, b);
}
else if (parts[0] == "map_Kd")
{
var fullPath = Path.Combine(path, parts[1].Trim());
currentMaterial.DiffuseMap = new Texture(fullPath);
}
else if (parts[0] == "Ks")
{
var phong = currentMaterial as MeshPhongMaterial;
if (phong != null)
{
var r = Convert.ToSingle(parts[1]);
var g = Convert.ToSingle(parts[2]);
var b = Convert.ToSingle(parts[3]);
phong.Specular = new Color(r, g, b);
}
}
else if (parts[0] == "d")
{
}
else if (parts[0] == "illum")
{
}
else
{
throw new NotSupportedException();
}
}
}
static void Main(string[] args)
{
var mediaPath = Path.GetFullPath("../../../../../js/r68/examples/");
var texturesPath = Path.Combine(mediaPath, "textures");
var renderer = new Renderer();
var scene = new Scene()
{
//Fog = new FogExp2(Color.Blue, 0.24f)
};
var camera = new PerspectiveCamera(renderer, 75)
{
Position = new Vector3(0, 0, 2)
};
//// create a point light
scene.Add(new PointLight(Color.Gold)
{
Position = new Vector3(3, 2, 2),
Intensity = 1
});
scene.Add(new DirectionalLight(Color.Blue)
{
Target = new Vector3(1,0,0),
Intensity = 2
});
SpotLight s = new SpotLight(Color.Red)
{
Intensity = 5,
Distance = 10,
Angle = 106.7f,
Exponent = 200,
Position = new Vector3(-2, 0, 4),
Target = new Vector3(0,0,0),
};
scene.Add(s);
//var loader = new JsonLoader();
mediaPath = Path.Combine(mediaPath, "../../tests/");
//var path = Path.Combine(mediaPath, "frankie.obj");
//var fullpath = Path.GetFullPath(path);
//Debug.Assert(File.Exists(fullpath));
//var frankie = ObjMtlLoader.Parse(renderer, fullpath);
//frankie.Scale.Multiply(0.4f);
//scene.Add(frankie);
//var json = JObject.Parse(File.ReadAllText(fullpath));
//var info = loader.Parse(renderer, json, mediaPath);
//var monkey = new Mesh(info.Geometry, new MeshFaceMaterial(renderer, info.Materials));
//scene.Add(monkey);
var materialMap = new MeshPhongMaterial(renderer)
//var materialMap = new MeshBasicMaterial(renderer)
//var materialMap = new MeshLambertMaterial(renderer)
{
Hardness = 1,
Shininess = 10,
Specular = new Color(.001f, .05f, .1f),
//DiffuseColor = Color.Red,
//Ambient = Color.Red,
ShouldWrapAround = true,
NormalMap = new Texture(Path.Combine(texturesPath, "planets\\earth_normal_2048.jpg")),
SpecularMap = new Texture(Path.Combine(texturesPath, "planets\\earth_specular_2048.jpg")),
DiffuseMap = new Texture(Path.Combine(texturesPath, "planets\\earth_atmos_2048.jpg")),
//DiffuseColor = Color.Red,
};
var materialNoMap = new MeshPhongMaterial(renderer)
//var materialNoMap = new MeshBasicMaterial(renderer)
//var materialNoMap = new MeshLambertMaterial(renderer)
{
Hardness = 1,
Shininess = 10,
Specular = new Color(.001f, .05f, .1f),
ShouldWrapAround = true,
NormalMap = new Texture(Path.Combine(texturesPath, "planets\\earth_normal_2048.jpg")),
SpecularMap = new Texture(Path.Combine(texturesPath, "planets\\earth_specular_2048.jpg")),
DiffuseMap = new Texture(Path.Combine(texturesPath, "planets\\earth_atmos_2048.jpg")),
//DiffuseColor = Color.Blue,
};
var cube = CreateCube(renderer, scene, texturesPath, materialMap);
var cube2
= CreateCube(renderer, scene, texturesPath, materialNoMap);
var cube3 = CreateCube(renderer, scene, texturesPath, materialMap);
var p = cube.Position;
//p.x -= 2;
cube.Position = p;
p = cube2.Position;
p.x += 2;
cube2.Position = p;
scene.Add(cube);
//scene.Add(cube2);
//scene.Add(cube3);
//frankie.Add(cube);
//cube.Position = new Vector3(0, 1, 1);
var lines = CreateHilbertCube(renderer, scene);
lines.Scale = new Vector3(4, 4, 4);
//scene.Add(lines);
//lines.Position = new Vector3(0, 1, -1);
var arrowHelper = ArrowHelper.Create(renderer, new Vector3(1,1,0), Vector3.Zero, 0.35f, Color.Red);
arrowHelper.Position = new Vector3(0.25f, 0.25f, 0.25f);
//scene.Add(arrowHelper);
var axisHelper = AxisHelper.Create(renderer, 0.25f);
axisHelper.Position = new Vector3(-0.25f, 0.25f, 0.25f);
//scene.Add(axisHelper);
//var boundingBoxHelper = BoundingBoxHelper.Create(renderer, frankie);
//scene.Add(boundingBoxHelper);
var previousTime = 0f;
var stopwatch = Stopwatch.StartNew();
while (!renderer.Done)
{
var now = (float)stopwatch.Elapsed.TotalSeconds;
var deltaTime = now - previousTime;
previousTime = now;
//var offset = material.DiffuseMap.Offset;
//offset.x += deltaTime * 0.75f;
//offset.y -= deltaTime * 0.5f;
//material.DiffuseMap.Offset = offset;
//var r = frankie.Rotation;
//r.y += deltaTime;
//frankie.Rotation = r;
//r = axisHelper.Rotation;
//r.x = Mathf.Pi / 4;
//r.y -= deltaTime;
//axisHelper.Rotation = r;
var r = cube.Rotation;
r.y -= deltaTime / 2;
r.x = Mathf.Sin(now / 4);
cube.Rotation = r;
r = cube2.Rotation;
r.y -= deltaTime / 2;
cube2.Rotation = r;
//boundingBoxHelper.Update();
renderer.RenderFrame(scene, camera);
}
}
private static void Init()
{
camera = new PerspectiveCamera(renderer, 30, 1, 10000 )
{
Position = new Vector3(0,0,100)
};
cameraRTT = new OrthographicCamera(renderer, -10000, 10000 )
{
Position= new Vector3(0,0,100)
};
scene = new Scene();
sceneRTT = new Scene();
sceneScreen = new Scene();
var light = new DirectionalLight( Color.White )
{
Position = Vector3.UnitZ.Normalized()
};
sceneRTT.Add( light );
light = new DirectionalLight(new Color(0xffaaaa))
{
Position = Vector3.UnitNegativeZ.Normalized(),
Intensity = 1.5f
};
sceneRTT.Add( light );
rtTexture = new RenderTarget(renderer.Width, renderer.Height)
{
MinFilter = TextureMinFilter.Linear,
MagFilter = TextureMagFilter.Nearest,
Format = Three.Net.Renderers.PixelFormat.RGB
};
var vertexShaderSource = @"
varying vec2 vUv;
void main()
{
vUv = uv;
gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
}";
var fragment_shader_screenSource = @"
varying vec2 vUv;
uniform sampler2D tDiffuse;
void main()
{
gl_FragColor = texture2D( tDiffuse, vUv );
}";
var fragment_shader_pass_1Source = @"
varying vec2 vUv;
uniform float time;
void main()
{
float r = vUv.x;
if( vUv.y < 0.5 ) r = 0.0;
float g = vUv.y;
if( vUv.x < 0.5 ) g = 0.0;
gl_FragColor = vec4( r, g, time, 1.0 );
}";
material = new CustomShaderMaterial(renderer,vertexShaderSource,fragment_shader_pass_1Source, m => { });
var materialScreen = new CustomShaderMaterial(renderer, vertexShaderSource, fragment_shader_screenSource, m => {})
{
ShouldDepthWrite = false
};
var plane = new PlaneGeometry( renderer.Width, renderer.Height);
var quad = new Mesh( plane, material )
{
Position = new Vector3(0,0,-100)
};
sceneRTT.Add( quad );
var geometry = new TorusGeometry( 100, 25, 15, 30 );
var mat1 = new MeshPhongMaterial(renderer)
{
Diffuse = new Color(0x555555),
Specular = new Color(0xffaa00),
Shininess = 5
};
var mat2 = new MeshPhongMaterial(renderer)
{
Diffuse = new Color(0x550000),
Specular = new Color(0xff2200),
Shininess = 5
};
zmesh1 = new Mesh( geometry, mat1 )
{
Position = new Vector3( 0, 0, 100 ),
Scale = new Vector3( 1.5f, 1.5f, 1.5f )
};
sceneRTT.Add( zmesh1 );
zmesh2 = new Mesh( geometry, mat2 )
{
Position = new Vector3( 0, 150, 100 ),
Scale = new Vector3( 0.75f, 0.75f, 0.75f)
};
sceneRTT.Add( zmesh2 );
quad = new Mesh( plane, materialScreen ){
Position = new Vector3(0,0,-100)
};
sceneScreen.Add( quad );
var n = 5;
var sphereGeometry = new SphereGeometry( 10, 64, 32 );
var material2 = new MeshBasicMaterial(renderer)
{
Diffuse = Color.White,
DiffuseMap = rtTexture
};
for( var j = 0; j < n; j ++ ) {
for( var i = 0; i < n; i ++ ) {
var mesh = new Mesh(sphereGeometry, material2)
{
Position = new Vector3(
( i - ( n - 1 ) / 2 ) * 20,
( j - ( n - 1 ) / 2 ) * 20,
0),
Rotation = new Euler(0,-Mathf.Pi / 2, 0)
};
scene.Add( mesh );
}
}
renderer.ShouldAutoClear = false;
}