rename ObsoleteDemos back to Demos

fix some relative path issues for loading assets

Demos/OpenGL/GLDebugDrawer.cpp

@@ -0,0 +1,130 @@
+
+#include "GLDebugDrawer.h"
+#include "GLDebugFont.h"
+#include "GlutStuff.h"
+
+
+
+#include <stdio.h> //printf debugging
+GLDebugDrawer::GLDebugDrawer()
+:m_debugMode(0)
+{
+
+}
+
+GLDebugDrawer::~GLDebugDrawer()
+{
+}
+
+void	GLDebugDrawer::drawLine(const btVector3& from,const btVector3& to,const btVector3& fromColor, const btVector3& toColor)
+{
+	glBegin(GL_LINES);
+		glColor3f(fromColor.getX(), fromColor.getY(), fromColor.getZ());
+		glVertex3d(from.getX(), from.getY(), from.getZ());
+		glColor3f(toColor.getX(), toColor.getY(), toColor.getZ());
+		glVertex3d(to.getX(), to.getY(), to.getZ());
+	glEnd();
+}
+
+void	GLDebugDrawer::drawLine(const btVector3& from,const btVector3& to,const btVector3& color)
+{
+	drawLine(from,to,color,color);
+}
+
+void GLDebugDrawer::drawSphere (const btVector3& p, btScalar radius, const btVector3& color)
+{
+	glColor4f (color.getX(), color.getY(), color.getZ(), btScalar(1.0f));
+	glPushMatrix ();
+	glTranslatef (p.getX(), p.getY(), p.getZ());
+
+	int lats = 5;
+	int longs = 5;
+
+	int i, j;
+	for(i = 0; i <= lats; i++) {
+		btScalar lat0 = SIMD_PI * (-btScalar(0.5) + (btScalar) (i - 1) / lats);
+		btScalar z0  = radius*sin(lat0);
+		btScalar zr0 =  radius*cos(lat0);
+
+		btScalar lat1 = SIMD_PI * (-btScalar(0.5) + (btScalar) i / lats);
+		btScalar z1 = radius*sin(lat1);
+		btScalar zr1 = radius*cos(lat1);
+
+		glBegin(GL_QUAD_STRIP);
+		for(j = 0; j <= longs; j++) {
+			btScalar lng = 2 * SIMD_PI * (btScalar) (j - 1) / longs;
+			btScalar x = cos(lng);
+			btScalar y = sin(lng);
+
+			glNormal3f(x * zr0, y * zr0, z0);
+			glVertex3f(x * zr0, y * zr0, z0);
+			glNormal3f(x * zr1, y * zr1, z1);
+			glVertex3f(x * zr1, y * zr1, z1);
+		}
+		glEnd();
+	}
+
+	glPopMatrix();
+}
+
+
+
+void	GLDebugDrawer::drawTriangle(const btVector3& a,const btVector3& b,const btVector3& c,const btVector3& color,btScalar alpha)
+{
+//	if (m_debugMode > 0)
+	{
+		const btVector3	n=btCross(b-a,c-a).normalized();
+		glBegin(GL_TRIANGLES);		
+		glColor4f(color.getX(), color.getY(), color.getZ(),alpha);
+		glNormal3d(n.getX(),n.getY(),n.getZ());
+		glVertex3d(a.getX(),a.getY(),a.getZ());
+		glVertex3d(b.getX(),b.getY(),b.getZ());
+		glVertex3d(c.getX(),c.getY(),c.getZ());
+		glEnd();
+	}
+}
+
+void	GLDebugDrawer::setDebugMode(int debugMode)
+{
+	m_debugMode = debugMode;
+
+}
+
+void	GLDebugDrawer::draw3dText(const btVector3& location,const char* textString)
+{
+	glRasterPos3f(location.x(),  location.y(),  location.z());
+	//BMF_DrawString(BMF_GetFont(BMF_kHelvetica10),textString);
+}
+
+void	GLDebugDrawer::reportErrorWarning(const char* warningString)
+{
+	printf("%s\n",warningString);
+}
+
+void	GLDebugDrawer::drawContactPoint(const btVector3& pointOnB,const btVector3& normalOnB,btScalar distance,int lifeTime,const btVector3& color)
+{
+	
+	{
+		btVector3 to=pointOnB+normalOnB*1;//distance;
+		const btVector3&from = pointOnB;
+		glColor4f(color.getX(), color.getY(), color.getZ(),1.f);
+		//glColor4f(0,0,0,1.f);
+		glBegin(GL_LINES);
+		glVertex3d(from.getX(), from.getY(), from.getZ());
+		glVertex3d(to.getX(), to.getY(), to.getZ());
+		glEnd();
+
+		
+//		glRasterPos3f(from.x(),  from.y(),  from.z());
+//		char buf[12];
+//		sprintf(buf," %d",lifeTime);
+		//BMF_DrawString(BMF_GetFont(BMF_kHelvetica10),buf);
+
+
+	}
+}
+
+
+
+
+