Revert "Integrating canvas-2d drawing and WebGL fixes, including adding back WebGL materials."

This reverts commit 96a0a8c916533eb5625816192ed38488f639326d.

54 files changed, 437 insertions, 4552 deletions

diff --git a/assets/shaders/Deform.frag.glsl b/assets/shaders/Deform.frag.glsl
deleted file mode 100644
index 1dbe45a0..00000000
--- a/assets/shaders/Deform.frag.glsl
+++ /dev/null
@@ -1,29 +0,0 @@
-#ifdef GL_ES
-precision highp float;
-#endif
-
-uniform float u_time;
-uniform vec2 u_resolution;
-//uniform vec4 mouse;
-uniform sampler2D u_tex0;
-
-void main(void)
-{
-    vec2 p = -1.0 + 2.0 * gl_FragCoord.xy / u_resolution.xy;
-    //vec2 m = -1.0 + 2.0 * mouse.xy / u_resolution.xy;
-        vec2 m = vec2(-.8, .8);
-
-    float a1 = atan(p.y-m.y,p.x-m.x);
-    float r1 = sqrt(dot(p-m,p-m));
-    float a2 = atan(p.y+m.y,p.x+m.x);
-    float r2 = sqrt(dot(p+m,p+m));
-
-    vec2 uv;
-    uv.x = 0.2*u_time + (r1-r2)*0.25;
-    uv.y = sin(2.0*(a1-a2));
-
-    float w = r1*r2*0.8;
-    vec3 col = texture2D(u_tex0,uv).xyz;
-
-    gl_FragColor = vec4(col/(.1+w),1.0);
-}
\ No newline at end of file
diff --git a/assets/shaders/Flag.vert.glsl b/assets/shaders/Flag.vert.glsl
deleted file mode 100644
index 7dc932a7..00000000
--- a/assets/shaders/Flag.vert.glsl
+++ /dev/null
@@ -1,35 +0,0 @@
-/* <copyright>
-This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
-No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
-(c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
-</copyright> */
-
-
-#ifdef GL_ES
-precision highp float;
-#endif
-
-
-// attributes
-attribute vec3 a_pos;
-attribute vec2 texcoord;
-
-// scalar uniforms
-uniform float u_time;
-
-// matrix uniforms
-uniform mat4 u_mvMatrix;
-uniform mat4 u_projMatrix;
-uniform mat4 u_worldMatrix;
-
-void main()
-{
-        float angle = (u_time%360)*2;
-
-        a_pos.z  = sin( a_pos.x + angle);
-        a_pos.z += sin( a_pos.y/2 + angle);
-        a_pos.z *= a_pos.x * 0.09;
-        gl_Position = u_projMatrix * u_mvMatrix * vec4(a_pos,1.0) ;
-
-        gl_FragColor = v_color;
-}
diff --git a/assets/shaders/Fly.frag.glsl b/assets/shaders/Fly.frag.glsl
deleted file mode 100644
index f99b5ab8..00000000
--- a/assets/shaders/Fly.frag.glsl
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifdef GL_ES
-precision highp float;
-#endif
-
-uniform vec2 u_resolution;
-uniform float u_time;
-uniform sampler2D u_tex0;
-
-void main(void)
-{
-    vec2 p = -1.0 + 2.0 * gl_FragCoord.xy / u_resolution.xy;
-    vec2 uv;
-
-    float an = u_time*.25;
-
-    float x = p.x*cos(an)-p.y*sin(an);
-    float y = p.x*sin(an)+p.y*cos(an);
-     
-    uv.x = .25*x/abs(y);
-    uv.y = .20*u_time + .25/abs(y);
-
-    gl_FragColor = vec4(texture2D(u_tex0,uv).xyz * y*y, 1.0);
-}
diff --git a/assets/shaders/Julia.frag.glsl b/assets/shaders/Julia.frag.glsl
deleted file mode 100644
index 68cda703..00000000
--- a/assets/shaders/Julia.frag.glsl
+++ /dev/null
@@ -1,25 +0,0 @@
-#ifdef GL_ES
-precision highp float;
-#endif
-
-uniform vec2 u_resolution;
-uniform float u_time;
-
-void main(void)
-{
-    vec2 p = -1.0 + 2.0 * gl_FragCoord.xy / u_resolution.xy;
-    vec2 cc = vec2( cos(.25*u_time), sin(.25*u_time*1.423) );
-
-    float dmin = 1000.0;
-    vec2 z  = p*vec2(1.33,1.0);
-    for( int i=0; i<64; i++ )
-    {
-        z = cc + vec2( z.x*z.x - z.y*z.y, 2.0*z.x*z.y );
-        float m2 = dot(z,z);
-        if( m2>100.0 ) break;
-        dmin=min(dmin,m2);
-        }
-
-    float color = sqrt(sqrt(dmin))*0.7;
-    gl_FragColor = vec4(color,color,color,1.0);
-}
\ No newline at end of file
diff --git a/assets/shaders/Keleidoscope.frag.glsl b/assets/shaders/Keleidoscope.frag.glsl
deleted file mode 100644
index 7d1bdb17..00000000
--- a/assets/shaders/Keleidoscope.frag.glsl
+++ /dev/null
@@ -1,25 +0,0 @@
-#ifdef GL_ES
-precision highp float;
-#endif
-
-uniform vec2 u_resolution;
-uniform float u_time;
-uniform sampler2D u_tex0;
-
-void main(void)
-{
-    vec2 p = -1.0 + 2.0 * gl_FragCoord.xy / u_resolution.xy;
-    vec2 uv;
-   
-    float a = atan(p.y,p.x);
-    float r = sqrt(dot(p,p));
-
-    uv.x =          7.0*a/3.1416;
-    uv.y = -u_time+ sin(7.0*r+u_time) + .7*cos(u_time+7.0*a);
-
-    float w = .5+.5*(sin(u_time+7.0*r)+ .7*cos(u_time+7.0*a));
-
-    vec3 col =  texture2D(u_tex0,uv*.5).xyz;
-
-    gl_FragColor = vec4(col*w,1.0);
-}
\ No newline at end of file
diff --git a/assets/shaders/Mandel.frag.glsl b/assets/shaders/Mandel.frag.glsl
deleted file mode 100644
index 6465899d..00000000
--- a/assets/shaders/Mandel.frag.glsl
+++ /dev/null
@@ -1,55 +0,0 @@