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| author | Julie Lala <jules@okfoc.us> | 2014-06-04 00:31:01 -0400 |
|---|---|---|
| committer | Julie Lala <jules@okfoc.us> | 2014-06-04 00:31:01 -0400 |
| commit | 80e1fcbc52870366f2e885fe82724960929765c9 (patch) | |
| tree | d380e04e8d784c40606bdaad82dcd37d0e260de5 /assets/javascripts/rectangles/models/vec3.js | |
| parent | 5fb0ad045820de96848e1bde8e2dba8a6853dd4d (diff) | |
| parent | 90142bd07f926ef8a7f3ea86a563ec0ca648ca5d (diff) | |
Merge branch 'master' of github.com:okfocus/vvalls
Diffstat (limited to 'assets/javascripts/rectangles/models/vec3.js')
| -rw-r--r-- | assets/javascripts/rectangles/models/vec3.js | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/assets/javascripts/rectangles/models/vec3.js b/assets/javascripts/rectangles/models/vec3.js deleted file mode 100644 index 4e00b0c..0000000 --- a/assets/javascripts/rectangles/models/vec3.js +++ /dev/null @@ -1,31 +0,0 @@ -function vec3(a,b,c){ - this.a = a - this.b = b - this.c = c -} -vec3.prototype.add = function(v){ - this.a += v.a - this.b += v.b - this.c += v.c - return this -} -vec3.prototype.sub = function(v){ - this.a -= v.a - this.b -= v.b - this.c -= v.c - return this -} - -// input: mat4 projection matrix -vec3.prototype.apply_projection = function (m) { - var x = this.a, y = this.b, z = this.c; - - var e = m.elements; - var d = 1 / ( e[3] * x + e[7] * y + e[11] * z + e[15] ); // perspective divide - - this.x = ( e[0] * x + e[4] * y + e[8] * z + e[12] ) * d; - this.y = ( e[1] * x + e[5] * y + e[9] * z + e[13] ) * d; - this.z = ( e[2] * x + e[6] * y + e[10] * z + e[14] ) * d; - - return this; -} |
