本文整理汇总了C#中WebGLRenderingContext.createShader方法的典型用法代码示例。如果您正苦于以下问题：C# WebGLRenderingContext.createShader方法的具体用法？C# WebGLRenderingContext.createShader怎么用？C# WebGLRenderingContext.createShader使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类WebGLRenderingContext的用法示例。
在下文中一共展示了WebGLRenderingContext.createShader方法的11个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: InternalConstructor
static WebGLShader InternalConstructor(WebGLRenderingContext gl, uint type = WebGLRenderingContext.VERTEX_SHADER)
{
// X:\jsc.svn\examples\javascript\chrome\apps\WebGL\ChromeShaderToyColumns\ChromeShaderToyColumns\Library\ShaderToy.cs
var p = gl.createShader(type);
return p;
}示例2: Application
/// <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(IDefault page = null)
{
var gl_viewportWidth = 500;
var gl_viewportHeight = 500;
var gl = new WebGLRenderingContext();
#region canvas
var canvas = gl.canvas.AttachToDocument();
Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
canvas.style.SetLocation(0, 0, gl_viewportWidth, gl_viewportHeight);
canvas.width = gl_viewportWidth;
canvas.height = gl_viewportHeight;
#endregion
var h = 1f;
var r1 = .5f;
var r2 = .2f;
var nPhi = 500;
var prog = gl.createProgram();
#region createShader
Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
{
var shader = gl.createShader(src);
// verify
if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
{
Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
throw new InvalidOperationException("shader failed");
}
return shader;
};
#endregion
var vs = createShader(new GeometryVertexShader());
var fs = createShader(new GeometryFragmentShader());
gl.attachShader(prog, vs);
gl.attachShader(prog, fs);
gl.linkProgram(prog);
gl.useProgram(prog);
var pt = new IArray<float>();
var nt = new IArray<float>();
var Phi = 0.0;
var dPhi = 2 * Math.PI / (nPhi - 1);
var Nx = r1 - r2;
var Ny = h;
var N = (float)Math.Sqrt(Nx * Nx + Ny * Ny);
Nx /= N;
Ny /= N;
for (var i = 0; i < nPhi; i++)
{
var cosPhi = Math.Cos(Phi);
var sinPhi = Math.Sin(Phi);
var cosPhi2 = Math.Cos(Phi + dPhi / 2);
var sinPhi2 = Math.Sin(Phi + dPhi / 2);
pt.push(-h / 2);
pt.push((float)(cosPhi * r1));
pt.push((float)(sinPhi * r1)); // points
nt.push(Nx);
nt.push((float)(Ny * cosPhi));
nt.push((float)(Ny * sinPhi)); // normals
pt.push(h / 2);
pt.push((float)(cosPhi2 * r2));
pt.push((float)(sinPhi2 * r2)); // points
//.........这里部分代码省略.........
示例3: Initialize
private void Initialize(IHTMLCanvas c, WebGLRenderingContext gl, IDefault page)
{
// http://cs.helsinki.fi/u/ilmarihe/metatunnel.html
// http://wakaba.c3.cx/w/puls.html
Action<string> alert = Native.window.alert;
c.style.border = "1px solid yellow";
page.MaxTextures.innerText = "" + gl.getParameter(gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS);
// https://www.khronos.org/webgl/public-mailing-list/archives/1007/msg00034.html
var vs = "";
vs += "precision highp float; \n";
vs += "attribute vec3 aVertexPosition;";
vs += "attribute vec2 aTextureCoord;";
vs += "uniform mat4 uModelViewMatrix;";
vs += "uniform mat4 uProjectionMatrix;";
vs += "varying vec2 vTextureCoord;";
vs += "void main(void) {";
vs += "gl_Position = uProjectionMatrix * uModelViewMatrix * vec4(aVertexPosition, 1.0);";
vs += "vTextureCoord = vec2(aTextureCoord.x, 1.0 - aTextureCoord.y);";
vs += "}";
var fs = "";
fs += "precision highp float; \n";
fs += "varying vec2 vTextureCoord;";
fs += "uniform sampler2D uSamplerDiffuse1;";
fs += "uniform sampler2D uSamplerDiffuse2;";
fs += "uniform sampler2D uSamplerDiffuse3;";
fs += "uniform sampler2D uSamplerDiffuse4;";
fs += "uniform sampler2D uSamplerDiffuse5;";
fs += "uniform sampler2D uSamplerDiffuse6;";
fs += "void main(void) {";
fs += "gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0) * texture2D(uSamplerDiffuse1, vTextureCoord)";
fs += "+ vec4(0.0, 1.0, 0.0, 1.0) * texture2D(uSamplerDiffuse2, vTextureCoord)";
fs += "+ vec4(0.0, 0.0, 1.0, 1.0) * texture2D(uSamplerDiffuse3, vTextureCoord)";
fs += "+ vec4(0.0, 1.0, 1.0, 1.0) * texture2D(uSamplerDiffuse4, vTextureCoord)";
fs += "+ vec4(1.0, 0.0, 1.0, 1.0) * texture2D(uSamplerDiffuse5, vTextureCoord)";
fs += "+ vec4(1.0, 1.0, 0.0, 1.0) * texture2D(uSamplerDiffuse6, vTextureCoord);";
fs += "}";
var xfs = gl.createShader(gl.FRAGMENT_SHADER);
gl.shaderSource(xfs, fs);
gl.compileShader(xfs);
if ((int)gl.getShaderParameter(xfs, gl.COMPILE_STATUS) != 1)
{
// vs: ERROR: 0:2: '' : Version number not supported by ESSL
// fs: ERROR: 0:1: '' : No precision specified for (float)
var error = gl.getShaderInfoLog(xfs);
Native.window.alert("fs: " + error);
return;
}
var xvs = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(xvs, vs);
gl.compileShader(xvs);
if ((int)gl.getShaderParameter(xvs, gl.COMPILE_STATUS) != 1)
{
// vs: ERROR: 0:2: '' : Version number not supported by ESSL
// vs: ERROR: 0:10: '-' : wrong operand types no operation '-' exists that takes a left-hand operand of type 'const mediump int' and a right operand of type 'float' (or there is no acceptable conversion)
var error = gl.getShaderInfoLog(xvs);
Native.window.alert("vs: " + error);
return;
}
var shader = new foo();
shader.program = gl.createProgram();
gl.attachShader(shader.program, xvs);
gl.attachShader(shader.program, xfs);
gl.linkProgram(shader.program);
var linked = gl.getProgramParameter(shader.program, gl.LINK_STATUS);
if (linked == null)
{
var error = gl.getProgramInfoLog(shader.program);
Native.window.alert("Error while linking: " + error);
return;
}
gl.useProgram(shader.program);
shader.aVertexPosition = gl.getAttribLocation(shader.program, "aVertexPosition");
shader.aTextureCoord = gl.getAttribLocation(shader.program, "aTextureCoord");
gl.enableVertexAttribArray((uint)shader.aVertexPosition);
gl.enableVertexAttribArray((uint)shader.aTextureCoord);
shader.u["uModelViewMatrix"] = gl.getUniformLocation(shader.program, "uModelViewMatrix");
shader.u["uProjectionMatrix"] = gl.getUniformLocation(shader.program, "uProjectionMatrix");
shader.u["uSamplerDiffuse1"] = gl.getUniformLocation(shader.program, "uSamplerDiffuse1");
shader.u["uSamplerDiffuse2"] = gl.getUniformLocation(shader.program, "uSamplerDiffuse2");
shader.u["uSamplerDiffuse3"] = gl.getUniformLocation(shader.program, "uSamplerDiffuse3");
//.........这里部分代码省略.........
示例4: Application
/// <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(IDefault page = null)
{
var size = 500;
var gl = new WebGLRenderingContext();
var canvas = gl.canvas.AttachToDocument();
Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
canvas.style.SetLocation(0, 0, size, size);
canvas.width = size;
canvas.height = size;
var gl_viewportWidth = size;
var gl_viewportHeight = size;
#region requestFullscreen
Native.Document.body.ondblclick +=
delegate
{
if (IsDisposed)
return;
// http://tutorialzine.com/2012/02/enhance-your-website-fullscreen-api/
Native.Document.body.requestFullscreen();
};
#endregion
var shaderProgram = gl.createProgram();
#region createShader
Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
{
var shader = gl.createShader(src);
// verify
if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
{
Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
throw new InvalidOperationException("shader failed");
}
return shader;
};
#endregion
var vs = createShader(new GeometryVertexShader());
var fs = createShader(new GeometryFragmentShader());
gl.attachShader(shaderProgram, vs);
gl.attachShader(shaderProgram, fs);
gl.linkProgram(shaderProgram);
gl.useProgram(shaderProgram);
var shaderProgram_vertexPositionAttribute = gl.getAttribLocation(shaderProgram, "aVertexPosition");
gl.enableVertexAttribArray((uint)shaderProgram_vertexPositionAttribute);
// new in lesson 02
var shaderProgram_vertexColorAttribute = gl.getAttribLocation(shaderProgram, "aVertexColor");
gl.enableVertexAttribArray((uint)shaderProgram_vertexColorAttribute);
var shaderProgram_pMatrixUniform = gl.getUniformLocation(shaderProgram, "uPMatrix");
var shaderProgram_mvMatrixUniform = gl.getUniformLocation(shaderProgram, "uMVMatrix");
var mvMatrix = glMatrix.mat4.create();
var pMatrix = glMatrix.mat4.create();
#region setMatrixUniforms
Action setMatrixUniforms =
delegate
{
gl.uniformMatrix4fv(shaderProgram_pMatrixUniform, false, pMatrix);
gl.uniformMatrix4fv(shaderProgram_mvMatrixUniform, false, mvMatrix);
};
//.........这里部分代码省略.........
示例5: InitializeContent
void InitializeContent(IDefault page = null)
{
var size = 500;
var gl = new WebGLRenderingContext();
var canvas = gl.canvas.AttachToDocument();
Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
canvas.style.SetLocation(0, 0, size, size);
canvas.width = size;
canvas.height = size;
var gl_viewportWidth = size;
var gl_viewportHeight = size;
#region IsDisposed
var IsDisposed = false;
this.Dispose = delegate
{
if (IsDisposed)
return;
IsDisposed = true;
canvas.Orphanize();
};
#endregion
#region AtResize
Action AtResize =
delegate
{
gl_viewportWidth = Native.window.Width;
gl_viewportHeight = Native.window.Height;
canvas.style.SetLocation(0, 0, gl_viewportWidth, gl_viewportHeight);
canvas.width = gl_viewportWidth;
canvas.height = gl_viewportHeight;
};
Native.window.onresize +=
e =>
{
AtResize();
};
AtResize();
#endregion
#region requestFullscreen
Native.document.body.ondblclick +=
delegate
{
if (IsDisposed)
return;
// http://tutorialzine.com/2012/02/enhance-your-website-fullscreen-api/
Native.document.body.requestFullscreen();
};
#endregion
#region createShader
Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
{
var shader = gl.createShader(src);
// verify
if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
{
Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
throw new InvalidOperationException("shader failed");
}
return shader;
};
#endregion
#region programs
var programs =
new[]
{
new
{
vs = (FragmentShader)new Shaders.PerFragmentLightingFragmentShader(),
fs = (VertexShader)new Shaders.PerFragmentLightingVertexShader()
},
}.Select(
p =>
{
var vs = createShader(p.vs);
//.........这里部分代码省略.........
示例6: Application
/// <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(IDefault page = null)
{
var size = 500;
var gl = new WebGLRenderingContext();
var canvas = gl.canvas.AttachToDocument();
Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
canvas.style.SetLocation(0, 0, size, size);
canvas.width = size;
canvas.height = size;
var gl_viewportWidth = size;
var gl_viewportHeight = size;
#region IsDisposed
var IsDisposed = false;
this.Dispose = delegate
{
if (IsDisposed)
return;
IsDisposed = true;
canvas.Orphanize();
};
#endregion
#region AtResize
Action AtResize =
delegate
{
gl_viewportWidth = Native.window.Width;
gl_viewportHeight = Native.window.Height;
canvas.style.SetLocation(0, 0, gl_viewportWidth, gl_viewportHeight);
canvas.width = gl_viewportWidth;
canvas.height = gl_viewportHeight;
};
Native.window.onresize +=
e =>
{
AtResize();
};
AtResize();
#endregion
#region requestFullscreen
Native.Document.body.ondblclick +=
delegate
{
if (IsDisposed)
return;
// http://tutorialzine.com/2012/02/enhance-your-website-fullscreen-api/
Native.Document.body.requestFullscreen();
};
#endregion
#region createShader
Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
{
var shader = gl.createShader(src);
// verify
if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
{
Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
throw new InvalidOperationException("shader failed");
}
return shader;
};
#endregion
var shaderProgram = gl.createProgram();
//.........这里部分代码省略.........
示例7: Application
/// <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(IDefault page = null)
{
#region += Launched chrome.app.window
//Error CS0656 Missing compiler required member 'Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo.Create' ChromeWebGLFrameBufferToSquare X:\jsc.svn\examples\javascript\chrome\apps\WebGL\ChromeWebGLFrameBufferToSquare\ChromeWebGLFrameBufferToSquare\Application.cs 51
dynamic self = Native.self;
dynamic self_chrome = self.chrome;
object self_chrome_socket = self_chrome.socket;
if (self_chrome_socket != null)
{
if (!(Native.window.opener == null && Native.window.parent == Native.window.self))
{
Console.WriteLine("chrome.app.window.create, is that you?");
// pass thru
}
else
{
// should jsc send a copresence udp message?
chrome.runtime.UpdateAvailable += delegate
{
new chrome.Notification(title: "UpdateAvailable");
};
chrome.app.runtime.Launched += async delegate
{
// 0:12094ms chrome.app.window.create {{ href = chrome-extension://aemlnmcokphbneegoefdckonejmknohh/_generated_background_page.html }}
Console.WriteLine("chrome.app.window.create " + new { Native.document.location.href });
new chrome.Notification(title: "ChromeUDPSendAsync");
var xappwindow = await chrome.app.window.create(
Native.document.location.pathname, options: null
);
//xappwindow.setAlwaysOnTop
xappwindow.show();
await xappwindow.contentWindow.async.onload;
Console.WriteLine("chrome.app.window loaded!");
};
return;
}
}
#endregion
//Z:\jsc.svn\examples\javascript\WebGLLesson01\WebGLLesson01\Application.cs(48,13): error CS0121: The call is ambiguous between the following methods or properties:
// 'ScriptCoreLib.Extensions.LinqExtensions.With<ScriptCoreLib.JavaScript.DOM.HTML.IHTMLScript>(ScriptCoreLib.JavaScript.DOM.HTML.IHTMLScript, System.Action<ScriptCoreLib.JavaScript.DOM.HTML.IHTMLScript>)' and
// 'ScriptCoreLib.Extensions.LinqExtensions.With<ScriptCoreLib.JavaScript.DOM.HTML.IHTMLScript>(ScriptCoreLib.JavaScript.DOM.HTML.IHTMLScript, System.Action<ScriptCoreLib.JavaScript.DOM.HTML.IHTMLScript>)'
// works for IE11
//var size = 512;
//var size = 256;
//var size = 96;
// size wont matter? always rendered
var size = 16;
var rttFramebuffer_width = 128;
var rttFramebuffer_height = 128;
var gl = new WebGLRenderingContext();
var canvas = gl.canvas.AttachToDocument();
Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
canvas.style.SetLocation(0, 0, size, size);
canvas.width = size;
canvas.height = size;
var gl_viewportWidth = size;
var gl_viewportHeight = size;
#region createShader
// dont we have a better api already?
Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
{
var shader = gl.createShader(src);
// verify
if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
{
Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
throw new InvalidOperationException("shader failed");
//.........这里部分代码省略.........
示例8: ApplicationContent
public ApplicationContent()
{
canvas.AttachToDocument();
#region tween
NumericEmitter.OfDouble(
(value, reserved) => red_obstacle_L_y = (f)value
).With(
e =>
{
tween_red_obstacle_L_y = (value) => e(value, 0);
}
);
NumericEmitter.OfDouble(
(value, reserved) => red_obstacle_R_y = (f)value
).With(
e =>
{
tween_red_obstacle_R_y = (value) => e(value, 0);
}
);
NumericEmitter.OfDouble(
(value, reserved) => white_arrow_x = (f)value
).With(
e =>
{
tween_white_arrow_x = (value) => e(value, 0);
}
);
NumericEmitter.OfDouble(
(value, reserved) => white_arrow_y = (f)value
).With(
e =>
{
tween_white_arrow_y = (value) => e(value, 0);
}
);
#endregion
#region canvas
Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
#endregion
#region gl - Initialise WebGL
var gl = new WebGLRenderingContext();
try
{
gl = (WebGLRenderingContext)canvas.getContext("experimental-webgl");
}
catch { }
if (gl == null)
{
Native.window.alert("WebGL not supported");
throw new InvalidOperationException("cannot create webgl context");
}
#endregion
var gl_viewportWidth = Native.window.Width;
var gl_viewportHeight = Native.window.Height;
var shaderProgram = gl.createProgram();
#region createShader
Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
{
var shader = gl.createShader(src);
// verify
if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
{
Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
throw new InvalidOperationException("shader failed");
}
return shader;
};
#endregion
#region initShaders
var vs = createShader(new GeometryVertexShader());
var fs = createShader(new GeometryFragmentShader());
//.........这里部分代码省略.........
示例9: Application
/// <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(IDefault page = null)
{
// works in IE!
var size = 500;
var gl = new WebGLRenderingContext();
var canvas = gl.canvas.AttachToDocument();
Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
canvas.style.SetLocation(0, 0, size, size);
canvas.width = size;
canvas.height = size;
var gl_viewportWidth = size;
var gl_viewportHeight = size;
var toolbar = new Toolbar();
if (page != null)
{
toolbar.Container.AttachToDocument();
toolbar.Container.style.Opacity = 0.7;
toolbar.HideButton.onclick +=
delegate
{
// ScriptCoreLib.Extensions
toolbar.HideTarget.ToggleVisible();
};
}
#region IsDisposed
var IsDisposed = false;
this.Dispose = delegate
{
if (IsDisposed)
return;
IsDisposed = true;
canvas.Orphanize();
};
#endregion
#region AtResize
Action AtResize =
delegate
{
gl_viewportWidth = Native.window.Width;
gl_viewportHeight = Native.window.Height;
canvas.style.SetLocation(0, 0, gl_viewportWidth, gl_viewportHeight);
canvas.width = gl_viewportWidth;
canvas.height = gl_viewportHeight;
};
Native.window.onresize +=
e =>
{
AtResize();
};
AtResize();
#endregion
#region requestFullscreen
Native.Document.body.ondblclick +=
delegate
{
if (IsDisposed)
return;
// http://tutorialzine.com/2012/02/enhance-your-website-fullscreen-api/
Native.Document.body.requestFullscreen();
};
#endregion
#region createShader
Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
{
var shader = gl.createShader(src);
// verify
if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
{
//.........这里部分代码省略.........
示例10: Application
/// <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(IDefault page = null)
{
var size = 500;
var gl = new WebGLRenderingContext();
var canvas = gl.canvas.AttachToDocument();
Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
canvas.style.SetLocation(0, 0, size, size);
canvas.width = size;
canvas.height = size;
var gl_viewportWidth = size;
var gl_viewportHeight = size;
var toolbar = new Toolbar();
if (page != null)
{
toolbar.Container.AttachToDocument();
toolbar.Container.style.Opacity = 0.7;
toolbar.HideButton.onclick +=
delegate
{
// ScriptCoreLib.Extensions
toolbar.HideTarget.ToggleVisible();
};
}
#region IsDisposed
var IsDisposed = false;
this.Dispose = delegate
{
if (IsDisposed)
return;
IsDisposed = true;
canvas.Orphanize();
};
#endregion
#region AtResize
Action AtResize =
delegate
{
gl_viewportWidth = Native.window.Width;
gl_viewportHeight = Native.window.Height;
canvas.style.SetLocation(0, 0, gl_viewportWidth, gl_viewportHeight);
canvas.width = gl_viewportWidth;
canvas.height = gl_viewportHeight;
};
Native.window.onresize +=
e =>
{
AtResize();
};
AtResize();
#endregion
#region requestFullscreen
Native.Document.body.ondblclick +=
delegate
{
if (IsDisposed)
return;
// http://tutorialzine.com/2012/02/enhance-your-website-fullscreen-api/
Native.Document.body.requestFullscreen();
};
#endregion
#region createShader
Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
{
var shader = gl.createShader(src);
// verify
if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
{
Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
throw new InvalidOperationException("shader failed");
//.........这里部分代码省略.........
示例11: Application
/* Source: http://www.ibiblio.org/e-notes/webgl/models/ethanol.html
*
*/
/// <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(IDefault page = null)
{
var gl_viewportWidth = 500;
var gl_viewportHeight = 500;
var gl = new WebGLRenderingContext();
var canvas = gl.canvas.AttachToDocument();
Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
canvas.style.SetLocation(0, 0, gl_viewportWidth, gl_viewportHeight);
canvas.width = gl_viewportWidth;
canvas.height = gl_viewportHeight;
var h = 1f;
var r1 = .5f;
var r2 = .2f;
var prog = gl.createProgram();
#region createShader
Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
{
var shader = gl.createShader(src);
// verify
if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
{
Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
throw new InvalidOperationException("shader failed");
}
return shader;
};
#endregion
var vs = createShader(new GeometryVertexShader());
var fs = createShader(new GeometryFragmentShader());
gl.attachShader(prog, vs);
gl.attachShader(prog, fs);
gl.linkProgram(prog);
gl.useProgram(prog);
var nPhi = 100;
var nTheta = 50;
var dPhi = 2 * Math.PI / nPhi;
var dTheta = Math.PI / nTheta;
var vertices = new IArray<float>();
var ind = new IArray<ushort>();
for (var j = 0; j <= nTheta; j++)
{
var Theta = j * dTheta;
var cosTheta = Math.Cos(Theta);
var sinTheta = Math.Sin(Theta);
for (var i = 0; i <= nPhi; i++)
{
var Phi = i * dPhi;
var cosPhi = Math.Cos(Phi);
var sinPhi = Math.Sin(Phi);
vertices.push((f)(cosPhi * sinTheta));
vertices.push((f)(-sinPhi * sinTheta));
vertices.push((f)(cosTheta));
}
}
for (var j = 0; j < nTheta; j++)
for (var i = 0; i <= nPhi; i++)
{
ind.push((ushort)(j * (nPhi + 1) + i));
ind.push((ushort)((j + 1) * (nPhi + 1) + i));
}
var posLocation = gl.getAttribLocation(prog, "aPos");
gl.enableVertexAttribArray((uint)posLocation);
var posBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, posBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
gl.vertexAttribPointer((uint)posLocation, 3, gl.FLOAT, false, 0, 0);
//.........这里部分代码省略.........