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| author | Matt Strapp <matt@mattstrapp.net> | 2021-11-24 09:18:24 -0600 |
|---|---|---|
| committer | Matt Strapp <matt@mattstrapp.net> | 2021-11-24 09:18:24 -0600 |
| commit | 843308f07547b969c97efc23848f4e81b50a5b24 (patch) | |
| tree | b709343d4b06880dbd0b06776bc2aa8a57fd9602 /dev/a5-artrender/shaders/outline.vert | |
| parent | Merge branch 'support-code' of https://github.umn.edu/umn-csci-4611-f21/share... (diff) | |
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Do a5
Diffstat (limited to 'dev/a5-artrender/shaders/outline.vert')
| -rw-r--r-- | dev/a5-artrender/shaders/outline.vert | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/dev/a5-artrender/shaders/outline.vert b/dev/a5-artrender/shaders/outline.vert index 302cfeb..58e1308 100644 --- a/dev/a5-artrender/shaders/outline.vert +++ b/dev/a5-artrender/shaders/outline.vert @@ -18,5 +18,13 @@ layout(location = 2) in vec3 left_normal; layout(location = 3) in vec3 right_normal; void main() { - gl_Position = proj_matrix * model_view_matrix * vec4(vertex,1); + vec3 e = (model_view_matrix * vec4(vertex, 1.0)).xyz; + vec3 n_vertex = vertex; + vec3 ln = (normal_matrix * vec4(left_normal, 1.0)).xyz; + vec3 rn = (normal_matrix * vec4(right_normal, 1.0)).xyz; + if (dot(ln, e) * dot(rn, e) < 0.0) { + n_vertex = vertex + thickness * normal; + } + + gl_Position = proj_matrix * model_view_matrix * vec4(n_vertex,1); } |