public ColorfulRestProperty(object json)
{
var colorData = (ColorfulJsonParser)json;
HexValue = new hexvalue(colorData.Hex);
RGB = new rgb(colorData.RGB);
HSL = new hsl(colorData.HSL);
HSV = new hsv(colorData.HSV);
CMYK = new cmyk(colorData.CMYK);
XYZ = new xyz(colorData.XYZ);
Name = new name(colorData.Name);
Image = new image(colorData.Image);
Contrast = colorData.Contrast.value;
}
private void initEmpty()
{
HexValue = new hexvalue();
RGB = new rgb();
HSL = new hsl();
HSV = new hsv();
CMYK = new cmyk();
XYZ = new xyz();
Name = new name();
Image = new image();
Contrast = string.Empty;
}
public RaySurface(ISurface s)
{
s.onsurface +=
gl =>
{
var program = default(WebGLProgram);
#region init
program = gl.createProgram(
new RayVertexShader(),
new RayFragmentShader()
);
gl.bindAttribLocation(program, 0, "position");
gl.linkProgram(program);
gl.useProgram(program);
#endregion
var program_uniforms = program.Uniforms(gl);
var aVertexPosition = gl.getAttribLocation(program, "aVertexPosition");
gl.enableVertexAttribArray((uint)aVertexPosition);
var aPlotPosition = gl.getAttribLocation(program, "aPlotPosition");
gl.enableVertexAttribArray((uint)aPlotPosition);
gl.clearColor(0.0f, 0.0f, 0.0f, 1.0f);
gl.clearDepth(1.0f);
#region initBuffers()
var vertexPositionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertexPositionBuffer);
var vertices = new float[]{
1.0f, 1.0f,
-1.0f, 1.0f,
1.0f, -1.0f,
-1.0f, -1.0f,
};
gl.bufferData(gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW);
gl.bindBuffer(gl.ARRAY_BUFFER, vertexPositionBuffer);
gl.vertexAttribPointer((uint)aVertexPosition, 2, gl.FLOAT, false, 0, 0);
var plotPositionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, plotPositionBuffer);
gl.vertexAttribPointer((uint)aPlotPosition, 3, gl.FLOAT, false, 0, 0);
#endregion
#region maths
Func<xyz, xyz, xyz> crossProd = (v1, v2) =>
{
return new xyz
{
x = v1.y * v2.z - v2.y * v1.z,
y = v1.z * v2.x - v2.z * v1.x,
z = v1.x * v2.y - v2.x * v1.y
};
};
Func<xyz, xyz> normalize = (v) =>
{
var l = (float)Math.Sqrt(v.x * v.x + v.y * v.y + v.z * v.z);
return new xyz { x = v.x / l, y = v.y / l, z = v.z / l };
};
Func<xyz, xyz, xyz> vectAdd = (v1, v2) =>
{
return new xyz { x = v1.x + v2.x, y = v1.y + v2.y, z = v1.z + v2.z };
};
Func<xyz, xyz, xyz> vectSub = (v1, v2) =>
{
return new xyz { x = v1.x - v2.x, y = v1.y - v2.y, z = v1.z - v2.z };
};
Func<xyz, float, xyz> vectMul = (v, l) =>
{
return new xyz { x = v.x * l, y = v.y * l, z = v.z * l };
};
Action<xyz, List<float>> pushVec = (v, arr) =>
{
arr.Add(v.x);
arr.Add(v.y);
arr.Add(v.z);
};
#endregion
var ratio = 1f;
s.onresize +=
(width, height) =>
{
ratio = (float)width / (float)height;
gl.viewport(0, 0, width, height);
Console.WriteLine(new { width, height, ratio });
};
var t = 0f;
s.onframe +=
delegate
{
var x1 = (float)Math.Sin(t * 1.1) * 1.5f;
var y1 = (float)Math.Cos(t * 1.3) * 1.5f;
var z1 = (float)Math.Sin(t + Math.PI / 3) * 1.5f;
var x2 = (float)Math.Cos(t * 1.2) * 1.5f;
var y2 = (float)Math.Sin(t * 1.4) * 1.5f;
var z2 = (float)Math.Sin(t * 1.25 - Math.PI / 3) * 1.5f;
var x3 = (float)Math.Cos(t * 1.15) * 1.5f;
var y3 = (float)Math.Sin(t * 1.37) * 1.5f;
var z3 = (float)Math.Sin(t * 1.27) * 1.5f;
var cameraFrom = new xyz
{
x = (float)Math.Sin(t * 0.4f) * 18,
y = (float)Math.Sin(t * 0.13f) * 5 + 5,
z = (float)Math.Cos(t * 0.4f) * 18
};
var cameraTo = new xyz();
var cameraPersp = 6;
var up = new xyz { x = 0, y = 1, z = 0 };
var cameraDir = normalize(vectSub(cameraTo, cameraFrom));
var cameraLeft = normalize(crossProd(cameraDir, up));
var cameraUp = normalize(crossProd(cameraLeft, cameraDir));
// cameraFrom + cameraDir * cameraPersp
var cameraCenter = vectAdd(cameraFrom, vectMul(cameraDir, cameraPersp));
// cameraCenter + cameraUp + cameraLeft * ratio
var cameraTopLeft = vectAdd(vectAdd(cameraCenter, cameraUp),
vectMul(cameraLeft, ratio));
var cameraBotLeft = vectAdd(vectSub(cameraCenter, cameraUp),
vectMul(cameraLeft, ratio));
var cameraTopRight = vectSub(vectAdd(cameraCenter, cameraUp),
vectMul(cameraLeft, ratio));
var cameraBotRight = vectSub(vectSub(cameraCenter, cameraUp),
vectMul(cameraLeft, ratio));
//corners = [1.2, 1, -12, -1.2, 1, -12, 1.2, -1, -12, -1.2, -1, -12];
var corners = new List<float>();
pushVec(cameraTopRight, corners);
pushVec(cameraTopLeft, corners);
pushVec(cameraBotRight, corners);
pushVec(cameraBotLeft, corners);
gl.bufferData(gl.ARRAY_BUFFER, corners.ToArray(), gl.STATIC_DRAW);
program_uniforms.cameraPos = cameraFrom;
program_uniforms.sphere1Center = new xyz(x1, y1, z1);
program_uniforms.sphere2Center = new xyz(x2, y2, z2);
program_uniforms.sphere3Center = new xyz(x3, y3, z3);
gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
t += 0.03f;
if (t > Math.PI * 200)
{
t -= (float)Math.PI * 200f;
}
};
};
}
