本文整理汇总了C#中WebGLRenderingContext.uniform1f方法的典型用法代码示例。如果您正苦于以下问题：C# WebGLRenderingContext.uniform1f方法的具体用法？C# WebGLRenderingContext.uniform1f怎么用？C# WebGLRenderingContext.uniform1f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.uniform1f方法的6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: Application
//.........这里部分代码省略.........
Native.document.body.style.backgroundColor = "yellow";
await Task.Delay(500);
} while (await Native.window.async.onframe);
}
);
// https://developer.mozilla.org/en/docs/Web/API/WebGLRenderingContext
#region Paint_Image
Paint_ImageDelegate Paint_Image =
(mProgram, time, mouseOriX, mouseOriY, mousePosX, mousePosY) =>
{
var viewportxres = gl.canvas.width;
var viewportyres = gl.canvas.height;
#region Paint_Image
//new IHTMLPre { "enter Paint_Image" }.AttachToDocument();
// http://www.html5rocks.com/en/tutorials/webgl/webgl_fundamentals/
//gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
gl.viewport(0, 0, viewportxres, viewportyres);
// alpha to zero will only hide the pixel if blending is enabled.
gl.useProgram(mProgram);
// uniform4fv
var mouse = new[] { mousePosX, mousePosY, mouseOriX, mouseOriY };
var l2 = gl.getUniformLocation(mProgram, "iGlobalTime"); if (l2 != null) gl.uniform1f(l2, time);
var l3 = gl.getUniformLocation(mProgram, "iResolution"); if (l3 != null) gl.uniform3f(l3, viewportxres, viewportyres, 1.0f);
var l4 = gl.getUniformLocation(mProgram, "iMouse"); if (l4 != null) gl.uniform4fv(l4, mouse);
//var l7 = gl.getUniformLocation(this.mProgram, "iDate"); if (l7 != null) gl.uniform4fv(l7, dates);
//var l9 = gl.getUniformLocation(this.mProgram, "iSampleRate"); if (l9 != null) gl.uniform1f(l9, this.mSampleRate);
var ich0 = gl.getUniformLocation(mProgram, "iChannel0"); if (ich0 != null) gl.uniform1i(ich0, 0);
var ich1 = gl.getUniformLocation(mProgram, "iChannel1"); if (ich1 != null) gl.uniform1i(ich1, 1);
var ich2 = gl.getUniformLocation(mProgram, "iChannel2"); if (ich2 != null) gl.uniform1i(ich2, 2);
var ich3 = gl.getUniformLocation(mProgram, "iChannel3"); if (ich3 != null) gl.uniform1i(ich3, 3);
//for (var i = 0; i < mInputs.Length; i++)
//{
// var inp = mInputs[i];
// gl.activeTexture((uint)(gl.TEXTURE0 + i));
// if (inp == null)
// {
// gl.bindTexture(gl.TEXTURE_2D, null);
// }
//}
var times = new[] { 0.0f, 0.0f, 0.0f, 0.0f };
var l5 = gl.getUniformLocation(mProgram, "iChannelTime");
if (l5 != null) gl.uniform1fv(l5, times);
var resos = new float[12] { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f };
var l8 = gl.getUniformLocation(mProgram, "iChannelResolution");
if (l8 != null) gl.uniform3fv(l8, resos);示例2: InitializeContent
//.........这里部分代码省略.........
}
lastTime = timeNow;
};
#endregion
var laptopScreenAspectRatio = 1.66f;
//Func<string, f> parseFloat = Convert.ToSingle;
Func<string, f> parseFloat = x => float.Parse(x);
var shaderProgram = currentProgram;
#region drawSceneOnLaptopScreen
Action drawSceneOnLaptopScreen =
delegate
{
gl.viewport(0, 0, rttFramebuffer_width, rttFramebuffer_height);
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
glMatrix.mat4.perspective(45, laptopScreenAspectRatio, 0.1f, 100.0f, pMatrix);
gl.uniform1i(shaderProgram.showSpecularHighlightsUniform, Convert.ToInt32(false));
gl.uniform3f(shaderProgram.ambientLightingColorUniform, 0.2f, 0.2f, 0.2f);
gl.uniform3f(shaderProgram.pointLightingLocationUniform, 0, 0, -5);
gl.uniform3f(shaderProgram.pointLightingDiffuseColorUniform, 0.8f, 0.8f, 0.8f);
gl.uniform1i(shaderProgram.showSpecularHighlightsUniform, Convert.ToInt32(false));
gl.uniform1i(shaderProgram.useTexturesUniform, Convert.ToInt32(true));
gl.uniform3f(shaderProgram.materialAmbientColorUniform, 1.0f, 1.0f, 1.0f);
gl.uniform3f(shaderProgram.materialDiffuseColorUniform, 1.0f, 1.0f, 1.0f);
gl.uniform3f(shaderProgram.materialSpecularColorUniform, 0.0f, 0.0f, 0.0f);
gl.uniform1f(shaderProgram.materialShininessUniform, 0);
gl.uniform3f(shaderProgram.materialEmissiveColorUniform, 0.0f, 0.0f, 0.0f);
glMatrix.mat4.identity(mvMatrix);
glMatrix.mat4.translate(mvMatrix, new f[] { 0, 0, -5 });
glMatrix.mat4.rotate(mvMatrix, degToRad(30), new f[] { 1, 0, 0 });
mvPushMatrix();
glMatrix.mat4.rotate(mvMatrix, degToRad(moonAngle), new f[] { 0, 1, 0 });
glMatrix.mat4.translate(mvMatrix, new f[] { 2, 0, 0 });
gl.activeTexture(gl.TEXTURE0);
gl.bindTexture(gl.TEXTURE_2D, moonTexture);
gl.uniform1i(shaderProgram.samplerUniform, 0);
gl.bindBuffer(gl.ARRAY_BUFFER, moonVertexPositionBuffer);
gl.vertexAttribPointer((uint)shaderProgram.vertexPositionAttribute, moonVertexPositionBuffer_itemSize, gl.FLOAT, false, 0, 0);
gl.bindBuffer(gl.ARRAY_BUFFER, moonVertexTextureCoordBuffer);
gl.vertexAttribPointer((uint)shaderProgram.textureCoordAttribute, moonVertexTextureCoordBuffer_itemSize, gl.FLOAT, false, 0, 0);
gl.bindBuffer(gl.ARRAY_BUFFER, moonVertexNormalBuffer);
gl.vertexAttribPointer((uint)shaderProgram.vertexNormalAttribute, moonVertexNormalBuffer_itemSize, gl.FLOAT, false, 0, 0);
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, moonVertexIndexBuffer);
setMatrixUniforms();
gl.drawElements(gl.TRIANGLES, moonVertexIndexBuffer_numItems, gl.UNSIGNED_SHORT, 0);
mvPopMatrix();
mvPushMatrix();
glMatrix.mat4.rotate(mvMatrix, degToRad(cubeAngle), new f[] { 0, 1, 0 });
glMatrix.mat4.translate(mvMatrix, new f[] { 1.25f, 0, 0 });示例3: Application
//.........这里部分代码省略.........
//// http://stackoverflow.com/questions/20362023/webgl-why-does-transparent-canvas-show-clearcolor-color-component-when-alpha-is
gl.clearColor(1, 1, 0, 1.0f);
gl.viewport(0, 0, rttFramebuffer_width, rttFramebuffer_height);
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
#region Paint_Image
ChromeShaderToyColumns.Library.ShaderToy.EffectPass.Paint_ImageDelegate Paint_Image = (time, mouseOriX, mouseOriY, mousePosX, mousePosY, zoom) =>
{
var mProgram = pass.xCreateShader.mProgram;
var xres = rttFramebuffer_width;
var yres = rttFramebuffer_height;
#region Paint_Image
//new IHTMLPre { "enter Paint_Image" }.AttachToDocument();
// this is enough to do pip to bottom left, no need to adjust vertex positions even?
//gl.viewport(0, 0, (int)xres, (int)yres);
// useProgram: program not valid
gl.useProgram(mProgram);
// uniform4fv
var mouse = new[] { mousePosX, mousePosY, mouseOriX, mouseOriY };
// X:\jsc.svn\examples\glsl\future\GLSLShaderToyPip\GLSLShaderToyPip\Application.cs
//gl.getUniformLocation(mProgram, "fZoom").With(fZoom => gl.uniform1f(fZoom, zoom));
var l2 = gl.getUniformLocation(mProgram, "iGlobalTime"); if (l2 != null) gl.uniform1f(l2, time);
var l3 = gl.getUniformLocation(mProgram, "iResolution"); if (l3 != null) gl.uniform3f(l3, xres, yres, 1.0f);
var l4 = gl.getUniformLocation(mProgram, "iMouse"); if (l4 != null) gl.uniform4fv(l4, mouse);
//var l7 = gl.getUniformLocation(this.mProgram, "iDate"); if (l7 != null) gl.uniform4fv(l7, dates);
//var l9 = gl.getUniformLocation(this.mProgram, "iSampleRate"); if (l9 != null) gl.uniform1f(l9, this.mSampleRate);
var ich0 = gl.getUniformLocation(mProgram, "iChannel0"); if (ich0 != null) gl.uniform1i(ich0, 0);
var ich1 = gl.getUniformLocation(mProgram, "iChannel1"); if (ich1 != null) gl.uniform1i(ich1, 1);
var ich2 = gl.getUniformLocation(mProgram, "iChannel2"); if (ich2 != null) gl.uniform1i(ich2, 2);
var ich3 = gl.getUniformLocation(mProgram, "iChannel3"); if (ich3 != null) gl.uniform1i(ich3, 3);
// what if there are other textures too?
// X:\jsc.svn\examples\javascript\chrome\apps\WebGL\ChromeWebGLFrameBuffer\ChromeWebGLFrameBuffer\Application.cs
//for (var i = 0; i < mInputs.Length; i++)
//{
// var inp = mInputs[i];
// gl.activeTexture((uint)(gl.TEXTURE0 + i));
// if (inp == null)
// {
// gl.bindTexture(gl.TEXTURE_2D, null);
// }
//}
var times = new[] { 0.0f, 0.0f, 0.0f, 0.0f };
var l5 = gl.getUniformLocation(mProgram, "iChannelTime");
if (l5 != null) gl.uniform1fv(l5, times);
var resos = new float[12] { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f };
var l8 = gl.getUniformLocation(mProgram, "iChannelResolution");示例4: Application
//.........这里部分代码省略.........
#region [uniform] uAmbientColor <- ambientR, ambientG, ambientB
gl.uniform3f(
shaderProgram.ambientColorUniform,
parseFloat(toolbar.ambientR.value),
parseFloat(toolbar.ambientG.value),
parseFloat(toolbar.ambientB.value)
);
#endregion
#region [uniform] uPointLightingLocation <- lightPositionX, lightPositionY, lightPositionZ
gl.uniform3f(
shaderProgram.pointLightingLocationUniform,
parseFloat(toolbar.lightPositionX.value),
parseFloat(toolbar.lightPositionY.value),
parseFloat(toolbar.lightPositionZ.value)
);
#endregion
#region [uniform] uPointLightingSpecularColor <- specularR, specularG, specularB
gl.uniform3f(
shaderProgram.pointLightingSpecularColorUniform,
parseFloat(toolbar.specularR.value),
parseFloat(toolbar.specularG.value),
parseFloat(toolbar.specularB.value)
);
#endregion
#region [uniform] uPointLightingDiffuseColor <- diffuseR, diffuseG, diffuseB
gl.uniform3f(
shaderProgram.pointLightingDiffuseColorUniform,
parseFloat(toolbar.diffuseR.value),
parseFloat(toolbar.diffuseG.value),
parseFloat(toolbar.diffuseB.value)
);
#endregion
}
var texture = toolbar.texture[toolbar.texture.selectedIndex].value;
gl.uniform1i(shaderProgram.useTexturesUniform, Convert.ToInt32(texture != "none"));
glMatrix.mat4.identity(mvMatrix);
glMatrix.mat4.translate(mvMatrix, new f[] { 0, 0, -40 });
glMatrix.mat4.rotate(mvMatrix, degToRad(23.4f), new f[] { 1, 0, -1 });
glMatrix.mat4.rotate(mvMatrix, degToRad(teapotAngle), new f[] { 0, 1, 0 });
gl.activeTexture(gl.TEXTURE0);
if (texture == "earth")
{
gl.bindTexture(gl.TEXTURE_2D, earthTexture);
}
else if (texture == "galvanized")
{
gl.bindTexture(gl.TEXTURE_2D, galvanizedTexture);
}
gl.uniform1i(shaderProgram.samplerUniform, 0);
gl.uniform1f(shaderProgram.materialShininessUniform, parseFloat(toolbar.shininess.value));
gl.bindBuffer(gl.ARRAY_BUFFER, teapotVertexPositionBuffer);
gl.vertexAttribPointer((uint)shaderProgram.vertexPositionAttribute, teapotVertexPositionBuffer_itemSize, gl.FLOAT, false, 0, 0);
gl.bindBuffer(gl.ARRAY_BUFFER, teapotVertexTextureCoordBuffer);
gl.vertexAttribPointer((uint)shaderProgram.textureCoordAttribute, teapotVertexTextureCoordBuffer_itemSize, gl.FLOAT, false, 0, 0);
gl.bindBuffer(gl.ARRAY_BUFFER, teapotVertexNormalBuffer);
gl.vertexAttribPointer((uint)shaderProgram.vertexNormalAttribute, teapotVertexNormalBuffer_itemSize, gl.FLOAT, false, 0, 0);
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, teapotVertexIndexBuffer);
setMatrixUniforms();
gl.drawElements(gl.TRIANGLES, teapotVertexIndexBuffer_numItems, gl.UNSIGNED_SHORT, 0);
};
#endregion
Native.window.onframe += delegate
{
if (IsDisposed)
return;
animate();
drawScene();
};
};
}
)
);
}示例5: Application
//.........这里部分代码省略.........
var prMatrix = new CanvasMatrix4();
//prMatrix.perspective(45, 1, .1, 100);
gl.uniformMatrix4fv(gl.getUniformLocation(prog, "prMatrix"),
false, new Float32Array(prMatrix.getAsArray()));
var mvMatrix = new CanvasMatrix4();
var rotMat = new CanvasMatrix4();
rotMat.makeIdentity();
var mvMatLoc = gl.getUniformLocation(prog, "mvMatrix");
var colorLoc = gl.getUniformLocation(prog, "color");
var scaleLoc = gl.getUniformLocation(prog, "scale");
gl.enable(gl.DEPTH_TEST);
gl.depthFunc(gl.LEQUAL);
gl.clearDepth(1.0f);
gl.clearColor(0, 0, .8f, 1f);
var xOffs = 0;
var yOffs = 0;
var drag = 0;
var xRot = 0f;
var yRot = 0f;
var transl = -10.5f;
#region drawBall
Action<f, f, f, f, f, f, f> drawBall = (x, y, z, r, g, b, _scale) =>
{
var scale = _scale * 1f;
mvMatrix.makeIdentity();
mvMatrix.translate(x, y, z);
mvMatrix.multRight(rotMat);
mvMatrix.translate(0, 0, transl);
gl.uniformMatrix4fv(mvMatLoc, false, new Float32Array(mvMatrix.getAsArray()));
gl.uniform1f(scaleLoc, scale);
gl.uniform3f(colorLoc, r, g, b);
for (var i = 0; i < nTheta; i++)
gl.drawElements(gl.TRIANGLE_STRIP, 2 * (nPhi + 1), gl.UNSIGNED_SHORT,
4 * (nPhi + 1) * i);
};
#endregion
Action<f, f, f, f> drawBall_white = (x, y, z, _scale) =>
drawBall(x, y, z, 1, 1, 1, _scale);
Action<f, f, f, f> drawBall_red = (x, y, z, _scale) =>
drawBall(x, y, z, 1, 0, 0, _scale);
#region drawScene
Action drawScene = delegate
{
gl.viewport(0, 0, gl_viewportWidth, gl_viewportHeight);
#region prMatrix
gl.uniformMatrix4fv(gl.getUniformLocation(prog, "prMatrix"),
false, new Float32Array(prMatrix.getAsArray()));
#endregion
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
rotMat.rotate(xRot / 3, 1, 0, 0); rotMat.rotate(yRot / 3, 0, 1, 0);
yRot = 0; xRot = 0;
drawBall(0, 0, 0, .3f, .3f, .3f, 1.5f);
drawBall(1, 1, 1, .3f, .3f, .3f, 1.5f);
drawBall_white(2, 2, 0, 1);示例6: Application
//.........这里部分代码省略.........
glMatrix.mat4.identity(mvMatrix);
glMatrix.mat4.translate(mvMatrix, new float[] { 0.0f, 0.0f, z });
glMatrix.mat4.rotate(mvMatrix, degToRad(xRot), new[] { 1f, 0f, 0f });
glMatrix.mat4.rotate(mvMatrix, degToRad(yRot), new[] { 0f, 1f, 0f });
gl.bindBuffer(gl.ARRAY_BUFFER, cubeVertexPositionBuffer);
gl.vertexAttribPointer((uint)shaderProgram_vertexPositionAttribute, cubeVertexPositionBuffer_itemSize, gl.FLOAT, false, 0, 0);
#region new in lesson 07
gl.bindBuffer(gl.ARRAY_BUFFER, cubeVertexNormalBuffer);
gl.vertexAttribPointer((uint)shaderProgram_vertexNormalAttribute, cubeVertexNormalBuffer_itemSize, gl.FLOAT, false, 0, 0);
#endregion
gl.bindBuffer(gl.ARRAY_BUFFER, cubeVertexTextureCoordBuffer);
gl.vertexAttribPointer((uint)shaderProgram_textureCoordAttribute, cubeVertexTextureCoordBuffer_itemSize, gl.FLOAT, false, 0, 0);
gl.activeTexture(gl.TEXTURE0);
gl.bindTexture(gl.TEXTURE_2D, textures[filter]);
gl.uniform1i(shaderProgram_samplerUniform, 0);
#region new in lesson 08
var blending = [email protected];
if (blending)
{
gl.blendFunc(gl.SRC_ALPHA, gl.ONE);
gl.enable(gl.BLEND);
gl.disable(gl.DEPTH_TEST);
gl.uniform1f(shaderProgram_alphaUniform, toolbar.alpha);
}
else
{
gl.disable(gl.BLEND);
gl.enable(gl.DEPTH_TEST);
}
#endregion
var lighting = [email protected];
gl.uniform1i(shaderProgram_useLightingUniform, lighting.ToInt32());
if (lighting)
{
gl.uniform3f(
shaderProgram_ambientColorUniform,
toolbar.ambientR,
toolbar.ambientG,
toolbar.ambientB
);
var lightingDirection = new float []{
toolbar.lightDirectionX,
toolbar.lightDirectionY,
toolbar.lightDirectionZ
};
var adjustedLD = glMatrix.vec3.create();
glMatrix.vec3.normalize(lightingDirection, adjustedLD);
glMatrix.vec3.scale(adjustedLD, new f[] {-1});
gl.uniform3fv(shaderProgram_lightingDirectionUniform, adjustedLD);
gl.uniform3f(