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 OrthographicCamera(renderer, -1000, 1000)
{
Position = new Vector3(0, 0, 2)
};
//// create a point light
scene.Add(new DirectionalLight(Color.White)
{
Target = Vector3.UnitX
});
var geometry = new BoxGeometry(20, 20, 20);
for (var i = 0; i < 2000; i++)
{
var o = new Mesh(geometry, new MeshLambertMaterial(renderer) { Diffuse = Color.Random() });
o.Position = new Vector3(Mathf.RandomF(-400, 400), Mathf.RandomF(-400, 400), Mathf.RandomF(-400, 400));
o.Rotation = new Euler(Mathf.Tau * Mathf.RandomF(), Mathf.Tau * Mathf.RandomF(), Mathf.Tau * Mathf.RandomF());
o.Scale = new Vector3(Mathf.RandomF(0.5f, 1.5f), Mathf.RandomF(0.5f, 1.5f), Mathf.RandomF(0.5f, 1.5f));
scene.Add(o);
}
var raycaster = new Raycaster();
Object3D INTERSECTED = null;
Color previousColor = Color.White;
var radius = 100;
var previousTime = 0f;
var stopwatch = Stopwatch.StartNew();
while (!renderer.Done)
{
var now = (float)stopwatch.Elapsed.TotalSeconds;
var deltaTime = now - previousTime;
previousTime = now;
var offset = now / 4;
var sin = Mathf.Sin(offset) * radius;
var cos = Mathf.Cos(offset) * radius;
camera.Position = new Vector3(sin, sin, cos);
camera.LookAt(Vector3.Zero);
#region FindIntersections
var vector = Projector.UnprojectVector(new Vector3(renderer.MousePositionNormalized,-1),camera.projectionMatrix, camera.matrixWorld);
var direction = new Vector3(0, 0, -1);
direction.TransformDirection(camera.matrixWorld);
raycaster.Set(vector, direction);
var intersects = raycaster.IntersectObjects(scene.Children);
if (intersects != null && intersects.Count > 0)
{
var first = intersects[0];
if (INTERSECTED != first.Object)
{
if (INTERSECTED != null)
{
var basic = INTERSECTED.Material as MeshLambertMaterial;
basic.Emissive = previousColor;
}
var firstMat = first.Object.Material as MeshLambertMaterial;
INTERSECTED = first.Object;
previousColor = firstMat.Emissive;
firstMat.Emissive = Color.Red;
}
}
else
{
if (INTERSECTED != null)
{
(INTERSECTED.Material as MeshLambertMaterial).Emissive = previousColor;
}
INTERSECTED = null;
}
#endregion
renderer.RenderFrame(scene, camera);
}
}
private void Update(Scene scene, Camera camera)
{
// set GL state for depth map
GL.ClearColor(1, 1, 1, 1);
GL.Disable(EnableCap.Blend);
GL.Enable(EnableCap.CullFace);
GL.FrontFace(FrontFaceDirection.Ccw);
GL.CullFace(renderer.shadowMapCullFace);
renderer.DepthTest = true;
var lights = new List<Light>();
// preprocess lights
// - skip lights that are not casting shadows
// - create virtual lights for cascaded shadow maps
foreach (var light in scene.lights)
{
if (!light.DoesCastShadow) continue;
var shadowLight = light as HasShadow;
if (shadowLight != null && shadowLight.ShadowCascade)
{
for (var n = 0; n < shadowLight.ShadowCascadeCount; n++)
{
VirtualLight virtualLight;
if (shadowLight.ShadowCascadeArray[n] == null)
{
virtualLight = CreateVirtualLight(light, n);
virtualLight.OriginalCamera = camera;
var gyro = new Gyroscope();
gyro.Position = shadowLight.ShadowCascadeOffset;
gyro.Add(virtualLight);
//gyro.Add(virtualLight.Target);
camera.Add(gyro);
shadowLight.ShadowCascadeArray[n] = virtualLight;
Debug.WriteLine("Created virtualLight {0}", virtualLight);
}
else
{
virtualLight = shadowLight.ShadowCascadeArray[n];
}
UpdateVirtualLight(light, n);
lights.Add(virtualLight);
}
}
else
{
lights.Add(light);
}
}
// render depth map
foreach (var light in lights)
{
var hasShadow = light as HasShadow;
if (hasShadow.shadowMap == null)
{
var isSoftShadow = renderer.shadowMapType == ShadowType.PCFSoftShadowMap;
hasShadow.shadowMap = new RenderTarget(hasShadow.ShadowMapWidth, hasShadow.ShadowMapHeight);
hasShadow.shadowMap.MinFilter = isSoftShadow ? TextureMinFilter.Nearest : TextureMinFilter.Linear;
hasShadow.shadowMap.MagFilter = isSoftShadow ? TextureMagFilter.Nearest : TextureMagFilter.Linear; ;
hasShadow.shadowMap.Format = Three.Net.Renderers.PixelFormat.RGBA;
hasShadow.ShadowMapSize = new Vector2(hasShadow.ShadowMapWidth, hasShadow.ShadowMapHeight);
hasShadow.ShadowMatrix = Matrix4.Identity;
}
if (hasShadow.ShadowCamera == null)
{
if (hasShadow is SpotLight) hasShadow.ShadowCamera = new PerspectiveCamera(renderer, hasShadow.ShadowCameraFov, hasShadow.ShadowCameraNear, hasShadow.ShadowCameraFar);
else if (hasShadow is DirectionalLight) hasShadow.ShadowCamera = new OrthographicCamera(hasShadow.ShadowCameraLeft, hasShadow.ShadowCameraRight, hasShadow.ShadowCameraTop, hasShadow.ShadowCameraBottom, hasShadow.ShadowCameraNear, hasShadow.ShadowCameraFar);
else throw new Exception("Unsupported light type for shadow");
scene.Add(hasShadow.ShadowCamera);
if (scene.AutoUpdate) scene.UpdateMatrixWorld();
}
if (hasShadow.ShadowCameraVisible /* && light.CameraHelper == null*/)
{
throw new NotImplementedException();
//light.CameraHelper = new CameraHelper( hasShadow.ShadowCamera );
//hasShadow.ShadowCamera.Add( light.CameraHelper );
}
var virtualLight = light as VirtualLight;
if (virtualLight != null && virtualLight.OriginalCamera == camera)
{
UpdateShadowCamera(camera, light);
}
var shadowMap = hasShadow.shadowMap;
var shadowMatrix = hasShadow.ShadowMatrix;
var shadowCamera = hasShadow.ShadowCamera;
shadowCamera.Position = Vector3.FromPosition(light.matrixWorld);
matrixPosition = (light as HasTarget).Target;
shadowCamera.LookAt(matrixPosition);
shadowCamera.UpdateMatrixWorld();
shadowCamera.matrixWorldInverse = Matrix4.GetInverse(shadowCamera.matrixWorld);
//TODO : Creating helpers if ( light.cameraHelper ) light.cameraHelper.visible = light.shadowCameraVisible;
//if (hasShadow.ShadowCameraVisible) light.cameraHelper.update();
// compute shadow matrix
shadowMatrix = new Matrix4(0.5f, 0.0f, 0.0f, 0.5f,
0.0f, 0.5f, 0.0f, 0.5f,
0.0f, 0.0f, 0.5f, 0.5f,
0.0f, 0.0f, 0.0f, 1.0f);
shadowMatrix.Multiply(shadowCamera.projectionMatrix);
shadowMatrix.Multiply(shadowCamera.matrixWorldInverse);
// update camera matrices and frustum
projectionScreenMatrix.MultiplyMatrices(shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse);
frustum = Frustum.FromMatrix(projectionScreenMatrix);
// render shadow map
renderer.SetRenderTarget(shadowMap);
renderer.Clear();
// set object matrices & frustum culling
renderList.Clear();
ProjectObject(scene, scene, shadowCamera);
// render regular objects
foreach (var glObject in renderList)
{
var o = glObject.Object;
var buffer = glObject.Buffer;
throw new NotImplementedException();
}
}
// restore GL state
var clearColor = renderer.ClearColor;
GL.ClearColor(clearColor.R, clearColor.G, clearColor.B, 1);
GL.Enable(EnableCap.Blend);
if (renderer.shadowMapCullFace == CullFaceMode.Front) GL.CullFace(CullFaceMode.Back);
}
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()
{
mediaPath = Path.GetFullPath("../../../../../js/r68/examples/");
texturesPath = Path.Combine(mediaPath, "textures");
renderer = new Renderer();
scene = new Scene()
{
Fog = new FogLinear(Color.Black, 1500,2100)
};
camera = new PerspectiveCamera(renderer, 60, 1, 2100)
{
Position = new Vector3(0, 0, 1500)
};
cameraOrtho = new OrthographicCamera(renderer, 1, 10000)
{
Position = new Vector3(0, 0, 150)
};
sceneOrtho = new Scene();
//var amount = 200;
//var radius = 500;
sceneOrtho.Add(new Mesh(new SphereGeometry(100, 50, 50), new MeshBasicMaterial(renderer) { Diffuse = Color.Red}));
var group = new Object3D();
var materialA = new SpriteMaterial(renderer)
{
DiffuseMap = new Texture(Path.Combine(texturesPath, "sprite0.png")),
Diffuse = Color.White,
UseFog = true,
};
spriteTL = new Sprite(renderer, materialA)
{
Scale = new Vector3(materialA.DiffuseMap.Resolution.Width,materialA.DiffuseMap.Resolution.Height,1),
};
sceneOrtho.Add(spriteTL);
spriteTR = new Sprite(renderer, materialA)
{
Scale = new Vector3(materialA.DiffuseMap.Resolution.Width, materialA.DiffuseMap.Resolution.Height, 1),
};
sceneOrtho.Add(spriteTR);
spriteBL = new Sprite(renderer, materialA)
{
Scale = new Vector3(materialA.DiffuseMap.Resolution.Width, materialA.DiffuseMap.Resolution.Height, 1),
};
sceneOrtho.Add(spriteBL);
spriteBR = new Sprite(renderer, materialA)
{
Scale = new Vector3(materialA.DiffuseMap.Resolution.Width, materialA.DiffuseMap.Resolution.Height, 1),
};
sceneOrtho.Add(spriteBR);
spriteC = new Sprite(renderer, materialA)
{
Scale = new Vector3(materialA.DiffuseMap.Resolution.Width, materialA.DiffuseMap.Resolution.Height, 1),
};
sceneOrtho.Add(spriteC);
UpdateHUDSprites();
var materialB = new SpriteMaterial(renderer)
{
DiffuseMap = new Texture(Path.Combine(texturesPath, "sprite1.png")),
Diffuse = Color.White,
UseFog = true,
};
var materialC = new SpriteMaterial(renderer)
{
DiffuseMap = new Texture(Path.Combine(texturesPath, "sprite2.png")),
Diffuse = Color.White,
UseFog = true,
};
mediaPath = Path.Combine(mediaPath, "../../tests/");
}
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;
}