From 5a3bc5baf19caf8e267beade47e18fd0acef34e4 Mon Sep 17 00:00:00 2001
From: psperl <psperl@6778bc44-b910-0410-a7a0-be141de4315d>
Date: Sun, 13 Jul 2008 02:10:14 +0000
Subject: [PATCH] roaming trigonometric values

git-svn-id: https://projectm.svn.sourceforge.net/svnroot/projectm/trunk@1098 6778bc44-b910-0410-a7a0-be141de4315d
---
 src/projectM-engine/Renderer.cpp | 11 +++++++++++
 src/projectM-engine/projectM.cg  |  5 +++++
 2 files changed, 16 insertions(+)

diff --git a/src/projectM-engine/Renderer.cpp b/src/projectM-engine/Renderer.cpp
index 35dde3f54..ca789eca2 100644
--- a/src/projectM-engine/Renderer.cpp
+++ b/src/projectM-engine/Renderer.cpp
@@ -306,6 +306,17 @@ std::cout<<"Cg: Initialized profile: "<<cgGetProfileString(myCgProfile)<<std::en
 
 void Renderer::SetupCgVariables(CGprogram program, const Pipeline &pipeline, const PipelineContext &context)
 {
+
+	float slow_roam_cos[4] = { 0.5 + 0.5*cos(context.time * 0.005),0.5 + 0.5*cos(context.time * 0.008),0.5 + 0.5*cos(context.time * 0.013),0.5 + 0.5*cos(context.time * 0.022)};
+    float roam_cos[4] ={ 0.5 + 0.5*cos(context.time * 0.3),0.5 + 0.5*cos(context.time * 1.3),0.5 + 0.5*cos(context.time * 5),0.5 + 0.5*cos(context.time * 20)};
+    float slow_roam_sin[4] = { 0.5 + 0.5*sin(context.time * 0.005),0.5 + 0.5*sin(context.time * 0.008),0.5 + 0.5*sin(context.time * 0.013),0.5 + 0.5*sin(context.time * 0.022)};
+    float roam_sin[4] ={ 0.5 + 0.5*sin(context.time * 0.3),0.5 + 0.5*sin(context.time * 1.3),0.5 + 0.5*sin(context.time * 5),0.5 + 0.5*sin(context.time * 20)};
+
+    cgGLSetParameter4fv(cgGetNamedParameter(program, "slow_roam_cos"), slow_roam_cos);
+    cgGLSetParameter4fv(cgGetNamedParameter(program, "roam_cos"), roam_cos);
+    cgGLSetParameter4fv(cgGetNamedParameter(program, "slow_roam_sin"), slow_roam_sin);
+    cgGLSetParameter4fv(cgGetNamedParameter(program, "roam_sin"), roam_sin);
+
 	cgGLSetParameter1f(cgGetNamedParameter(program, "time"), context.time);
 	cgGLSetParameter4f(cgGetNamedParameter(program, "rand_preset"), rand_preset[0], rand_preset[1],rand_preset[2],rand_preset[3]);
 	cgGLSetParameter4f(cgGetNamedParameter(program, "rand_frame"), (rand()%100) * .01,(rand()%100) * .01,(rand()%100) * .01,(rand()%100) * .01);
diff --git a/src/projectM-engine/projectM.cg b/src/projectM-engine/projectM.cg
index 524a4109c..16362cf2b 100644
--- a/src/projectM-engine/projectM.cg
+++ b/src/projectM-engine/projectM.cg
@@ -77,6 +77,11 @@ float blur2_max;
 float blur3_min;
 float blur3_max;
 
+float4 slow_roam_cos;
+float4 roam_cos;
+float4 slow_roam_sin;
+float4 roam_sin;
+
 float time;
 float4 rand_preset;
 float4 rand_frame;