From 834a37d1975b5baa609e93839947430d554a7f5f Mon Sep 17 00:00:00 2001
From: Vegard Storheil Eriksen <zyp@jvnv.net>
Date: Wed, 7 Apr 2010 23:12:59 +0200
Subject: Inter-marker vectors.

---
 assimp.cpp | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 86 insertions(+), 5 deletions(-)

(limited to 'assimp.cpp')

diff --git a/assimp.cpp b/assimp.cpp
index aea1187..cccdc0e 100755
--- a/assimp.cpp
+++ b/assimp.cpp
@@ -18,8 +18,16 @@ class FiskPattern : public Pattern {
 		
 		Texture** textures;
 		
+		int patt_id2;
+		
+		bool m2_visible;
+		
+		double m2_vec[3];
+		
 	public:
 		FiskPattern() : Pattern("patterns/m1.patt") {
+			patt_id2 = arLoadPatt("patterns/m2.patt");
+			
 			scene = importer->ReadFile("tewi.x", 0);
 			
 			if(scene) {
@@ -68,15 +76,62 @@ class FiskPattern : public Pattern {
 			textures[9] = new TextureSDL("gradient.png");
 			
 			patt_width = 50.0;
+			
+			patt_trans_kake[3][0] = patt_trans_kake[3][1] = patt_trans_kake[3][2] = 0;
+			patt_trans_kake[3][3] = 1.0;
 		}
 		
 	protected:
+		virtual void update(ARMarkerInfo* marker_info, int marker_num) {
+			bool m1_visible = m2_visible = false;
+			
+			for(int j = 0; j < marker_num; j++) {
+				if(patt_id == marker_info[j].id) {
+					arGetTransMat(&marker_info[j], patt_center, patt_width, patt_trans_kake);
+					m1_visible = true;
+					//else if( marker_info[k].cf < marker_info[j].cf ) k = j;
+				}
+			}
+			
+			if(!m1_visible) {
+				return;
+			}
+			
+			//patt_trans_kake[0][0] = patt_trans_kake[1][1] = patt_trans_kake[2][2] = 1;
+			//patt_trans_kake[0][1] = patt_trans_kake[0][2] = 0;
+			//patt_trans_kake[1][0] = patt_trans_kake[1][2] = 0;
+			//patt_trans_kake[2][0] = patt_trans_kake[2][1] = 0;
+			
+			double m2_matrix[3][4];
+			
+			for(int j = 0; j < marker_num; j++) {
+				if(patt_id2 == marker_info[j].id) {
+					arGetTransMat(&marker_info[j], patt_center, patt_width, m2_matrix);
+					m2_visible = true;
+					
+					double x = m2_matrix[0][3];
+					double y = m2_matrix[1][3];
+					double z = m2_matrix[2][3];
+					
+					arUtilMatInv(patt_trans_kake, m2_matrix);
+					
+					m2_vec[0] = m2_matrix[0][0] * x + m2_matrix[0][1] * y + m2_matrix[0][2] * z + m2_matrix[0][3];
+					m2_vec[2] = -(m2_matrix[1][0] * x + m2_matrix[1][1] * y + m2_matrix[1][2] * z + m2_matrix[1][3]);
+					m2_vec[1] = m2_matrix[2][0] * x + m2_matrix[2][1] * y + m2_matrix[2][2] * z + m2_matrix[2][3];
+					
+				}
+			}
+			
+			draw();
+		}
+		
 		virtual void draw() {
 			double    gl_para[16];
-			arglCameraView(patt_trans_kake, gl_para, 1.0);
+			//arglCameraView(patt_trans_kake, gl_para, 1.0);
 			
 			glMatrixMode(GL_MODELVIEW);
-			glLoadMatrixd(gl_para);
+			//glLoadMatrixd(gl_para);
+			glLoadTransposeMatrixd((double*)patt_trans_kake);
 			
 			//glTranslatef(0.0, -8.0, 0.0);
 			
@@ -104,9 +159,34 @@ class FiskPattern : public Pattern {
 				}
 			}
 			
+			if(m2_visible) {
+				glLineWidth(5);
+				glDisable(GL_TEXTURE_2D);
+				glBegin(GL_LINES);
+				
+				glColor3f(1, 1, 1);
+				glVertex3f(0, 0, 0);
+				glVertex3f(m2_vec[0], m2_vec[1], m2_vec[2]);
+				
+				glColor3f(1, 0, 0);
+				glVertex3f(0, 0, 0);
+				glVertex3f(m2_vec[0], 0, 0);
+				
+				glColor3f(0, 1, 0);
+				glVertex3f(0, 0, 0);
+				glVertex3f(0, m2_vec[1], 0);
+				
+				glColor3f(0, 0, 1);
+				glVertex3f(0, 0, 0);
+				glVertex3f(0, 0, m2_vec[2]);
+				
+				glEnd();
+				glEnable(GL_TEXTURE_2D);
+			}
 		}
 };
 
+/*
 class MarisaPattern : public Pattern {
 	private:
 		const aiScene* scene;
@@ -206,6 +286,7 @@ class MarisaPattern : public Pattern {
 			
 		}
 };
+*/
 
 int main(int argc, char **argv) {
 	try {
@@ -216,10 +297,10 @@ int main(int argc, char **argv) {
 		
 		app->patt = new FiskPattern();
 		
-		Assimp::Importer _importer2;
-		importer = &_importer2;
+		//Assimp::Importer _importer2;
+		//importer = &_importer2;
 		
-		app->patt2 = new MarisaPattern();
+		//app->patt2 = new MarisaPattern();
 		
 		app->run();
 	} catch(std::runtime_error e) {
-- 
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