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Diffstat (limited to '')
| -rw-r--r-- | LICENSE | 21 | ||||
| -rw-r--r-- | README.md | 1 | ||||
| -rw-r--r-- | sketches/03/flow.frag | 19 |
3 files changed, 29 insertions, 12 deletions
@@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2023 Akshay Nair + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/README.md b/README.md new file mode 100644 index 0000000..b6b6037 --- /dev/null +++ b/README.md @@ -0,0 +1 @@ +# creative-coding-playground
\ No newline at end of file diff --git a/sketches/03/flow.frag b/sketches/03/flow.frag index 8402b2e..b878df9 100644 --- a/sketches/03/flow.frag +++ b/sketches/03/flow.frag @@ -17,21 +17,16 @@ bool is_between(vec2 pos, vec2 min, vec2 max) { void main() { float time = sin(u_time); - vec2 uv = gl_FragCoord.xy/u_resolution.xy; float ratio = u_resolution.x / u_resolution.y; - vec2 pos = uv/vec2(1.0, ratio); + vec2 pos = (v_position.xy + 1.)/2./vec2(1.0, ratio); float cell_size = 1.0/CELL_COUNT; + vec2 cell_pos = cell_size * abs(floor(pos / cell_size)); - for (float i = 0.; i < CELL_COUNT; i++) { - for (float j = 0.; j < CELL_COUNT; j++) { - vec2 cell_pos = vec2(i, j) * cell_size; - - if (is_between(pos, cell_pos, cell_pos + vec2(cell_size, cell_size))) { - vec4 tex = texture2D(testImage, cell_pos); - float value = (tex.r + tex.g + tex.b) / 3.; - gl_FragColor = vec4(value, value, value, 1.0); - } - } + gl_FragColor = vec4(0., 0., 0., 1.); + if (is_between(pos, cell_pos, cell_pos + cell_size)) { + vec4 tex = texture2D(testImage, cell_pos); + float value = (tex.r + tex.g + tex.b) / 3.; + gl_FragColor = vec4(value, value, value, 1.0); } } |