diff options
Diffstat (limited to 'js/shader.js')
| -rw-r--r-- | js/shader.js | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/js/shader.js b/js/shader.js index cd6b899..d203abe 100644 --- a/js/shader.js +++ b/js/shader.js @@ -8,9 +8,9 @@ var shader = (function(){ exports.build(demo_shader.innerHTML) } exports.build = function (fn_str){ - new_fn = new Function('lex', 'x', 'y', 't', fn_str) + new_fn = new Function('lex', 'x', 'y', 'w', 'h', 't', fn_str) try { - new_fn(lex, 0, 0) + new_fn(lex, 0, 0, 1, 1, 0) } catch (e) { throw 'Shader execution error' @@ -19,14 +19,15 @@ var shader = (function(){ return fn } exports.run = function(canvas){ - var t = +new Date - canvas.forEach(function(lex, y, x){ - fn(lex, x, y, t) + var t = +new Date, w = canvas.w, h = canvas.h + canvas.forEach(function(lex, x, y){ + fn(lex, x, y, w, h, t) lex.build() }) } exports.toggle = function(state){ animating = typeof state == "boolean" ? state : ! animating + return animating } exports.pause = function(){ animating = false |