void main()
{
vUv = uv;
gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0f);
}
void main()
{
vPosition = uMVMatrix * vec4(aVertexPosition, 1.0f);
gl_Position = uPMatrix * vPosition;
vTextureCoord = aTextureCoord;
vTransformedNormal = uNMatrix * aVertexNormal;
}
void mainImage(out vec4 fragColor, vec2 fragCoord)
{
vec2 texCoord = fragCoord.xy / iResolution.xy;
vec2 thetaphi = ((texCoord * 2.0f) - vec2(1.0f)) * vec2(3.1415926535897932384626433832795f, 1.5707963267948966192313216916398f);
vec3 rayDirection = vec3(cos(thetaphi.y) * cos(thetaphi.x), sin(thetaphi.y), cos(thetaphi.y) * sin(thetaphi.x));
fragColor = textureCube(iChannel0, rayDirection);
}
/// <summary>
/// This is a javascript application.
/// </summary>
/// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
public Application(IApp page)
{
var a = new vec2 { x = 3, y = 4 };
a.ToString().ToDocumentTitle();
// Send data from JavaScript to the server tier
service.WebMethod2(
@"A string from JavaScript.",
value => value.ToDocumentTitle()
);
}
vec2 v_TexCoordinate; // This will be passed into the fragment shader.
// The entry point for our vertex shader.
void main()
{
// Transform the vertex into eye space.
v_Position = vec3(u_MVMatrix * a_Position);
// Pass through the texture coordinate.
v_TexCoordinate = a_TexCoordinate;
// Transform the normal's orientation into eye space.
v_Normal = vec3(u_MVMatrix * vec4(a_Normal, 0.0f));
// gl_Position is a special variable used to store the final position.
// Multiply the vertex by the matrix to get the final point in normalized screen coordinates.
gl_Position = u_MVPMatrix * a_Position;
}
// Construct perspective matrix
vec3 computeSpherePosition(vec2 uv, float r)
{
var p = default(vec3);
float fi = uv.x * PI * 2.0f;
float th = uv.y * PI;
p.x = r * sin(th) * cos(fi);
p.y = r * sin(th) * sin(fi);
p.z = r * cos(th);
return p;
}
void main()
{
gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0f);
vTextureCoord = aTextureCoord;
if (!uUseLighting)
{
vLightWeighting = vec3(1.0f, 1.0f, 1.0f);
}
else
{
vec3 transformedNormal = uNMatrix * aVertexNormal;
float directionalLightWeighting = max(dot(transformedNormal, uLightingDirection), 0.0f);
vLightWeighting = uAmbientColor + uDirectionalColor * directionalLightWeighting;
}
}
void main()
{
vec3 pos = aVertexPosition;
// -- displace the x coordinate based on the time and the z position
pos.x += cos(fTime + (aVertexPosition.z / 4.0f));
// -- displace the y coordinate based on the time and the z position
pos.y += sin(fTime + (aVertexPosition.z / 4.0f));
// -- transform the vertex
gl_Position = uPMatrix * uMVMatrix * vec4(pos, 1.0f);
// -- copy the vertex color
vColor = aVertexColor;
// -- displace the texture's y (v) coordinate. This gives the illusion of movement.
vec2 texcoord = aTextureCoord;
texcoord.y = texcoord.y + (fTime);
// -- copy the texture coordinate
vTextureCoord = texcoord;
}
void main()
{
vec4 mvPosition = uMVMatrix * vec4(aVertexPosition, 1.0f);
gl_Position = uPMatrix * mvPosition;
vTextureCoord = aTextureCoord;
if (!uUseLighting)
{
vLightWeighting = vec3(1.0f, 1.0f, 1.0f);
}
else
{
vec3 lightDirection = normalize(uPointLightingLocation - mvPosition.xyz);
vec3 transformedNormal = uNMatrix * aVertexNormal;
float directionalLightWeighting = max(dot(transformedNormal, lightDirection), 0.0f);
vLightWeighting = uAmbientColor + uPointLightingColor * directionalLightWeighting;
}
}
// https://sites.google.com/a/jsc-solutions.net/work/knowledge-base/15-dualvr/20151016/azimuthal
void mainImage(out vec4 fragColor, vec2 fragCoord)
{
const float pi2 = 6.283185307179586476925286766559f;
vec4 c = vec4(0.0f, 0.0f, 0.0f, 1.0f);
vec2 uv = default(vec2); // texture coord = scaled spherical coordinates
float a, d; // azimuth,distance
d = length(fragCoord);
if (d < 1.0) // inside projected sphere surface
{
a = atan(-fragCoord.x, fragCoord.y);
if (a < 0.0) a += pi2;
if (a > pi2) a -= pi2;
uv.x = a / pi2;
uv.y = d;
c = texture2D(iChannel0, uv);
}
fragColor = c;
}
void main()
{
vec2 position = -1.0f + 2.0f * gl_FragCoord.xy / resolution.xy;
float a = atan(position.y, position.x);
float r = sqrt(dot(position, position));
var uv = new vec2();
uv.x = cos(a) / r;
uv.y = sin(a) / r;
uv /= 10.0f;
uv += time * 0.05f;
vec3 color = texture2D(texture, uv).rgb;
gl_FragColor = vec4(color * r * 1.5f, 1.0f);
}
static protected vec4 vec4(vec2 x, vec2 y)
{
throw new NotImplementedException();
}
protected vec4 texture2D(sampler2D sampler, vec2 coord) { throw new NotImplementedException(); }
void main()
{
gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0f);
vTextureCoord = aTextureCoord;
}
static protected vec4 vec4(vec2 x, float y, float z)
{
throw new NotImplementedException();
}
static protected vec4 vec4(vec2 x, vec2 y)
{
throw new NotImplementedException();
}
float r(vec2 n)
{
return r(dot(n, vec2(2.46f, -1.21f)));
}
//void mainImage(out vec4 fragColor, in vec2 fragCoord)
void mainImage(out vec4 fragColor, vec2 fragCoord)
{
vec3 resolution = iResolution;
vec2 uv = gl_FragCoord.xy / resolution.xy;
uv = 2.0f * uv - 1.0f;
uv.x *= resolution.x / resolution.y;
vec2 m = iMouse.xy / resolution.xy;
m = 2.0f * m - 1.0f;
m.x *= resolution.x / resolution.y;
es[0] = new Esfera
{
center = vec3(3.0f, -1.0f, 0.0f),
r = 2.0f,
id = 0,
m = mee
};
es[1] = new Esfera
{
center = vec3(-3.0f, -1.0f, -5.0f),
r = 2.0f,
id = 0,
m = me
};
vec3 at = vec3(0.0f);
vec3 eye = vec3(6.0f * 2.0f * sin(0.5f * iGlobalTime), 5, 10);
vec3 look = normalize(at - eye);
vec3 up = vec3(0.0f, 1.0f, 0.0f);
vec3 ww = cross(look, up);
vec3 vv = cross(ww, look);
vec3 dx = tan(radians(30.0f)) * ww;
vec3 dy = tan(radians(30.0f)) * vv;
eye.xy *= abs(m.xy);
Ray R = new Ray { origin = eye, direction = normalize(look + dx * uv.x + dy * uv.y) };
vec3 col = trace(R);
fragColor = vec4(col, 1.0f);
}
static protected vec3 vec3(float z, vec2 v)
{
throw new NotImplementedException();
}
void main()
{
gl_Position = vec4(position, 0.0f, 1.0f);
tc = vec2(position.x, position.y * h);
}
void main()
{
vUv = uv;
vec4 mPosition = modelMatrix * vec4(position, 1.0f);
vec3 nWorld = normalize(mat3(modelMatrix[0].xyz, modelMatrix[1].xyz, modelMatrix[2].xyz) * normal);
vReflect = normalize(reflect(normalize(mPosition.xyz - cameraPosition), nWorld));
pos = position;
//float noise = .3 * pnoise( 8.0 * vec3( normal ) );
float noise = 10.0f * -.10f * turbulence(.5f * normal + time);
//float noise = - stripes( normal.x + 2.0 * turbulence( normal ), 1.6 );
float displacement = -weight * noise;
displacement += 5.0f * pnoise(0.05f * position + vec3(2.0f * time), vec3(100.0f));
ao = noise;
vec3 newPosition = position + normal * vec3(displacement);
gl_Position = projectionMatrix * modelViewMatrix * vec4(newPosition, 1.0f);
}
static protected vec4 vec4(vec2 x, float y, float z)
{
throw new NotImplementedException();
}
void mainImage(out vec4 fragColor, vec2 fragCoord)
{
vec2 p = (-iResolution.xy + 2.0f * fragCoord.xy) / iResolution.y;
vec2 m = iMouse.xy / iResolution.xy;
//-----------------------------------------------------
// camera
//-----------------------------------------------------
// camera movement
vec3 ro, ta;
doCamera(out ro, out ta, iGlobalTime, m.x);
// camera matrix
mat3 camMat = calcLookAtMatrix(ro, ta, 0.0f); // 0.0 is the camera roll
// create view ray
vec3 rd = normalize(camMat * vec3(p.xy, 2.0f)); // 2.0 is the lens length
//-----------------------------------------------------
// render
//-----------------------------------------------------
vec3 col = doBackground();
// raymarch
float t = calcIntersection(ro, rd);
if (t > -0.5)
{
// geometry
vec3 pos = ro + t * rd;
vec3 nor = calcNormal(pos);
// materials
vec3 mal = doMaterial(pos, nor);
col = mix(doLighting(pos, nor, rd, t, mal), col, fog(t, max(0.0f, 0.2f - pos.y * 0.3f)));
}
//-----------------------------------------------------
// postprocessing
//-----------------------------------------------------
// gamma
col = pow(clamp(col, 0.0f, 1.0f), vec3(0.4545f));
col.g = smoothstep(0.0f, 1.05f, col.g);
col.r = smoothstep(0.1f, 1.1f, col.r);
col *= 1.0f + dot(p, p * 0.08f);
fragColor = vec4(col, 1.0f);
}
void main()
{
gl_Position = vec4(aPos, 1.0f);
vTexCoord = aTexCoord;
}
static protected vec3 vec3(float z, vec2 v)
{
throw new NotImplementedException();
}
