From f2457f3e95c3c05eb89310a2a15723705461a414 Mon Sep 17 00:00:00 2001
From: taw27 <taw27@84d2e878-0bd5-11dd-ad15-13eda11d74c5>
Date: Sun, 6 Jul 2008 23:08:28 +0000
Subject: Second spirally thing when landed

git-svn-id: svn://cook.msm.cam.ac.uk:745/thrust3d/thrust3d@132 84d2e878-0bd5-11dd-ad15-13eda11d74c5
---
 data/shaders/swirlytron.frag | 17 ++++++++++++-----
 data/shaders/swirlytron.vert |  6 ++++--
 2 files changed, 16 insertions(+), 7 deletions(-)

(limited to 'data')

diff --git a/data/shaders/swirlytron.frag b/data/shaders/swirlytron.frag
index 31a0912..d2d6ca7 100644
--- a/data/shaders/swirlytron.frag
+++ b/data/shaders/swirlytron.frag
@@ -10,8 +10,9 @@
  */
 
 varying vec2 coords;
-
+varying vec2 incoords;
 uniform float time;
+uniform bool landed;
 
 void main() {
 	
@@ -20,12 +21,18 @@ void main() {
 	float r;
 	
 	r = pow(abs(coords.x), 2.0) + pow(abs(coords.y), 2.0);
-	
-	f = 1.0 ;//+ (0.5*cos(time/1000.0));
-	
+	f = 1.0;
 	colour.r = 0.0;
 	colour.g = 0.0;
-	colour.b  = 1.0 * cos(2*f*3.141*r - (time/250.0) );
+	colour.b = 1.0 * cos(2*f*3.141*r - (time/250.0) );
+
+	if ( landed ) {
+		r = pow(abs(incoords.x), 2.0) + pow(abs(incoords.y), 2.0);
+		f = 1.0;
+		colour.r += 1.0 * cos(2*f*3.141*r + (time/250.0) );
+		colour.g += 1.0 * cos(2*f*3.141*r + (time/250.0) );
+		colour.b += 0.0;
+	}
 	
 	gl_FragColor = vec4(colour.r, colour.g, colour.b, 1.0);
 	
diff --git a/data/shaders/swirlytron.vert b/data/shaders/swirlytron.vert
index a15b8a7..bd69d97 100644
--- a/data/shaders/swirlytron.vert
+++ b/data/shaders/swirlytron.vert
@@ -10,11 +10,13 @@
  */
 
 varying vec2 coords;
+varying vec2 incoords;
+uniform vec2 lander;
 
 void main() {
 	
-	coords.x = gl_Vertex.x;
-	coords.y = gl_Vertex.y;
+	coords = gl_Vertex.xy;
+	incoords = gl_Vertex.xy + lander;
 	
 	/* Coordinates */
 	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
-- 
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