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Diffstat (limited to 'src/imports/shapes/shaders/lineargradient.vert')
-rw-r--r-- | src/imports/shapes/shaders/lineargradient.vert | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/imports/shapes/shaders/lineargradient.vert b/src/imports/shapes/shaders/lineargradient.vert new file mode 100644 index 0000000000..eb21b8886b --- /dev/null +++ b/src/imports/shapes/shaders/lineargradient.vert @@ -0,0 +1,15 @@ +attribute vec4 vertexCoord; +attribute vec4 vertexColor; + +uniform mat4 matrix; +uniform vec2 gradStart; +uniform vec2 gradEnd; + +varying float gradTabIndex; + +void main() +{ + vec2 gradVec = gradEnd - gradStart; + gradTabIndex = dot(gradVec, vertexCoord.xy - gradStart) / (gradVec.x * gradVec.x + gradVec.y * gradVec.y); + gl_Position = matrix * vertexCoord; +} |