From 8a2f1462679536cce2e9792cda305ccc2d742bcf Mon Sep 17 00:00:00 2001 From: Hakim El Hattab Date: Tue, 5 Feb 2013 18:02:03 -0500 Subject: [PATCH] remove experimental tileflip transition, reduce max size of media content to 95% to account for slide padding --- css/reveal.css | 54 +-------------- css/reveal.min.css | 2 +- css/shaders/tile-flip.fs | 64 ------------------ css/shaders/tile-flip.vs | 141 --------------------------------------- 4 files changed, 4 insertions(+), 257 deletions(-) delete mode 100644 css/shaders/tile-flip.fs delete mode 100644 css/shaders/tile-flip.vs diff --git a/css/reveal.css b/css/reveal.css index 0fc8ecbf..51eef843 100644 --- a/css/reveal.css +++ b/css/reveal.css @@ -181,8 +181,8 @@ body { .reveal img, .reveal video, .reveal iframe { - max-width: 100%; - max-height: 100%; + max-width: 95%; + max-height: 95%; } /** Prevents layering issues in certain browser/transition combinations */ @@ -994,55 +994,6 @@ body { } -/********************************************* - * TILE-FLIP TRANSITION (CSS shader) - *********************************************/ - -.reveal.tileflip .slides section.present { - -webkit-transform: none; - -webkit-transition-duration: 800ms; - - -webkit-filter: custom( url(shaders/tile-flip.vs) mix(url(shaders/tile-flip.fs) multiply source-atop), 10 10 border-box detached, transform perspective(1000) scale(1) rotateX(0deg) rotateY(0deg) rotateZ(0deg), - amount 0, randomness 0, flipAxis 0 1 0, tileOutline 1 - ); -} - -.reveal.tileflip .slides section.past { - -webkit-transform: none; - -webkit-transition-duration: 800ms; - - -webkit-filter: custom( url(shaders/tile-flip.vs) mix(url(shaders/tile-flip.fs) multiply source-atop), 10 10 border-box detached, transform perspective(1000) scale(1) rotateX(0deg) rotateY(0deg) rotateZ(0deg), - amount 1, randomness 0, flipAxis 0 1 0, tileOutline 1 - ); -} - -.reveal.tileflip .slides section.future { - -webkit-transform: none; - -webkit-transition-duration: 800ms; - - -webkit-filter: custom( url(shaders/tile-flip.vs) mix(url(shaders/tile-flip.fs) multiply source-atop), 10 10 border-box detached, transform perspective(1000) scale(1) rotateX(0deg) rotateY(0deg) rotateZ(0deg), - amount 1, randomness 0, flipAxis 0 1 0, tileOutline 1 - ); -} - -.reveal.tileflip .slides>section>section.present { - -webkit-filter: custom( url(shaders/tile-flip.vs) mix(url(shaders/tile-flip.fs) multiply source-atop), 10 10 border-box detached, transform perspective(1000) scale(1) rotateX(0deg) rotateY(0deg) rotateZ(0deg), - amount 0, randomness 2, flipAxis 1 0 0, tileOutline 1 - ); -} - -.reveal.tileflip .slides>section>section.past { - -webkit-filter: custom( url(shaders/tile-flip.vs) mix(url(shaders/tile-flip.fs) multiply source-atop), 10 10 border-box detached, transform perspective(1000) scale(1) rotateX(0deg) rotateY(0deg) rotateZ(0deg), - amount 1, randomness 2, flipAxis 1 0 0, tileOutline 1 - ); -} - -.reveal.tileflip .slides>section>section.future { - -webkit-filter: custom( url(shaders/tile-flip.vs) mix(url(shaders/tile-flip.fs) multiply source-atop), 10 10 border-box detached, transform perspective(1000) scale(1) rotateX(0deg) rotateY(0deg) rotateZ(0deg), - amount 1, randomness 2, flipAxis 1 0 0, tileOutline 1 - ); -} - /********************************************* * FADE TRANSITION *********************************************/ @@ -1074,6 +1025,7 @@ body { transition: none; } + /********************************************* * NO TRANSITION *********************************************/ diff --git a/css/reveal.min.css b/css/reveal.min.css index a3a08a1d..5d585a7a 100644 --- a/css/reveal.min.css +++ b/css/reveal.min.css @@ -4,4 +4,4 @@ * MIT licensed * * Copyright (C) 2011-2013 Hakim El Hattab, http://hakim.se - */html,body,.reveal div,.reveal span,.reveal applet,.reveal object,.reveal iframe,.reveal h1,.reveal h2,.reveal h3,.reveal h4,.reveal h5,.reveal h6,.reveal p,.reveal blockquote,.reveal 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All rights reserved. - * Copyright (c) 2012 Branislav Ulicny - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -precision mediump float; - -// Uniform values from CSS - -uniform float amount; -uniform float tileOutline; - -// Built-in uniforms - -uniform vec2 u_meshSize; -uniform vec2 u_textureSize; - -// Varyings passed in from vertex shader - -varying float v_depth; -varying vec2 v_uv; - -// Main - -void main() -{ - // FIXME: Must swap x and y as a workaround for: - // https://bugs.webkit.org/show_bug.cgi?id=96285 - vec2 u_meshSize = u_meshSize.yx; - - vec4 c = vec4(1.0); - - // Fade out. - c.a = 1.0 - v_depth; - - // Show grid outline. - if (tileOutline >= 0.5) { - float cell_width = u_textureSize.x / u_meshSize.y; - float cell_height = u_textureSize.y / u_meshSize.x; - float dd = 1.0; - - if (mod(v_uv.x * u_textureSize.x + dd, cell_width) < 2.0 - || mod(v_uv.y * u_textureSize.y + dd, cell_height) < 2.0) { - if (amount > 0.0) - c.rgb = vec3(1.0 - sqrt(amount)); - } - } - css_ColorMatrix = mat4(c.r, 0.0, 0.0, 0.0, - 0.0, c.g, 0.0, 0.0, - 0.0, 0.0, c.b, 0.0, - 0.0, 0.0, 0.0, c.a); -} diff --git a/css/shaders/tile-flip.vs b/css/shaders/tile-flip.vs deleted file mode 100644 index 498e446f..00000000 --- a/css/shaders/tile-flip.vs +++ /dev/null @@ -1,141 +0,0 @@ -/* - * Copyright (c)2012 Adobe Systems Incorporated. All rights reserved. - * Copyright (c)2012 Branislav Ulicny - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -precision mediump float; - -// Built-in attributes - -attribute vec4 a_position; -attribute vec2 a_texCoord; -attribute vec3 a_triangleCoord; - -// Built-in uniforms - -uniform mat4 u_projectionMatrix; -uniform vec2 u_meshSize; -uniform vec2 u_textureSize; - -// Uniform passed in from CSS - -uniform mat4 transform; -uniform float amount; -uniform float randomness; -uniform vec3 flipAxis; - -// Varyings - -varying float v_depth; -varying vec2 v_uv; - -// Constants - -const float PI2 = 1.5707963267948966; - -// Create perspective matrix - -mat4 perspectiveMatrix(float p) -{ - float perspective = - 1.0 / p; - return mat4( - 1.0, 0.0, 0.0, 0.0, - 0.0, 1.0, 0.0, 0.0, - 0.0, 0.0, 1.0, perspective, - 0.0, 0.0, 0.0, 1.0 - ); -} - -// Rotate vector - -vec3 rotateVectorByQuaternion(vec3 v, vec4 q) -{ - vec3 dest = vec3(0.0); - - float x = v.x, y = v.y, z = v.z; - float qx = q.x, qy = q.y, qz = q.z, qw = q.w; - - // Calculate quaternion * vector. - - float ix = qw * x + qy * z - qz * y, - iy = qw * y + qz * x - qx * z, - iz = qw * z + qx * y - qy * x, - iw = -qx * x - qy * y - qz * z; - - // Calculate result * inverse quaternion. - - dest.x = ix * qw + iw * -qx + iy * -qz - iz * -qy; - dest.y = iy * qw + iw * -qy + iz * -qx - ix * -qz; - dest.z = iz * qw + iw * -qz + ix * -qy - iy * -qx; - - return dest; -} - -// Convert rotation. - -vec4 axisAngleToQuaternion(vec3 axis, float angle) -{ - vec4 dest = vec4(0.0); - - float halfAngle = angle / 2.0; - float s = sin(halfAngle); - - dest.x = axis.x * s; - dest.y = axis.y * s; - dest.z = axis.z * s; - dest.w = cos(halfAngle); - - return dest; -} - -// Random function based on the tile coordinate. -// This will return the same value for all the vertices in the same tile (i.e. two triangles). - -float random(vec2 scale) -{ - // Use the fragment position as a different seed per-pixel. - return fract(sin(dot(vec2(a_triangleCoord.x, a_triangleCoord.y), scale)) * 4000.0); -} - -// Main - -void main() -{ - // FIXME: We must swap x and y as a workaround for: - // https://bugs.webkit.org/show_bug.cgi?id=96285 - vec2 u_meshSize = u_meshSize.yx; - - vec4 pos = a_position; - float aspect = u_textureSize.x / u_textureSize.y; - - float cx = a_triangleCoord.x / u_meshSize.y - 0.5 + 0.5 / u_meshSize.y; - float cy = a_triangleCoord.y / u_meshSize.x - 0.5 + 0.5 / u_meshSize.x; - - vec3 centroid = vec3(cx, cy, 0.0); - float r = random(vec2(10.0, 80.0)); - float rr = mix(0.0, PI2, amount * (1.0 + randomness * r)); - - vec4 rotation = vec4(flipAxis, rr); - vec4 qRotation = axisAngleToQuaternion(normalize(rotation.xyz), rotation.w); - - vec3 newPosition = rotateVectorByQuaternion((pos.xyz - centroid)* vec3(aspect, 1., 1.0), qRotation) * vec3(1.0 / aspect, 1.0, 1.0) + centroid; - pos.xyz = newPosition; - - gl_Position = u_projectionMatrix * transform * pos; - - // Pass varyings to the fragment shader. - v_depth = abs(rr)/ PI2; - v_uv = a_texCoord; -}