From 7f18d536db4da594580e772b900f288a2e44f90e Mon Sep 17 00:00:00 2001 From: Travis CI Date: Fri, 1 May 2015 20:11:10 +0000 Subject: Gem 52940d997a5dfcd482c52b52e083e9e3947e838f osx/x86_64 built 'master:52940d997a5dfcd482c52b52e083e9e3947e838f' for osx/x86_64 --- Gem/examples/data/brick.vert | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Gem/examples/data/brick.vert (limited to 'Gem/examples/data/brick.vert') diff --git a/Gem/examples/data/brick.vert b/Gem/examples/data/brick.vert new file mode 100644 index 0000000..1a54a8b --- /dev/null +++ b/Gem/examples/data/brick.vert @@ -0,0 +1,43 @@ +attribute vec3 LightPosition; +attribute vec3 BrickColor, MortarColor; +attribute vec2 BrickSize, BrickPct; + +varying vec3 BrickColor_f, MortarColor_f; +varying vec2 BrickSize_f, BrickPct_f; + + +const float SpecularContribution = 0.3; +const float DiffuseContribution = 1.0 - SpecularContribution; + +varying float LightIntensity; +varying vec2 MCposition; + +void main() +{ + // conversions + BrickColor_f = BrickColor; + MortarColor_f = MortarColor; + BrickSize_f = BrickSize; + BrickPct_f = BrickPct; + // + + vec3 ecPosition = vec3(gl_ModelViewMatrix * gl_Vertex); + vec3 tnorm = normalize(gl_NormalMatrix * gl_Normal); + vec3 lightVec = normalize(LightPosition - ecPosition); + vec3 reflectVec = reflect(-lightVec, tnorm); + vec3 viewVec = normalize(-ecPosition); + float diffuse = max(dot(lightVec, tnorm), 0.0); + float spec = 0.0; + + if (diffuse > 0.0) + { + spec = max(dot(reflectVec, viewVec), 0.0); + spec = pow(spec, 16.0); + } + + LightIntensity = DiffuseContribution * diffuse + + SpecularContribution * spec; + + MCposition = gl_Vertex.xy; + gl_Position = ftransform(); +} -- cgit v1.2.1