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added scaling support when creating Engine::Objects

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git-svn-id: svn://anubis/anaglym/trunk@72 99a6e188-d820-4881-8870-2d33a10e2619
This commit is contained in:
Josh Holtrop 2009-10-12 21:30:56 +00:00
parent c4f07c6c93
commit 968a35bc36
2 changed files with 21 additions and 3 deletions
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19
anaglym.cc
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@ -9,6 +9,7 @@
#include <unistd.h>
#include <iostream>
#include <string>
#include <math.h> /* fabs() */
#include <GL/gl.h>
#include <GL/glu.h>
using namespace std;
@ -373,13 +374,15 @@ void Engine::drawObjects()
}
}
Engine::Object::Object(bool is_static, OdeWorld & world, GLuint dl)
Engine::Object::Object(bool is_static, OdeWorld & world, GLuint dl, float scale)
{
m_ode_object = world.createObject(is_static);
m_ode_object = world.createObject(is_static, scale);
m_display_list = dl;
m_display_list_refcnt = new int;
*m_display_list_refcnt = 1;
m_is_visible = true;
m_scale = scale;
m_is_scaled = ! (fabs(scale - 1.0) < 0.0001);
}
Engine::Object::Object(const Engine::Object & orig)
@ -389,6 +392,8 @@ Engine::Object::Object(const Engine::Object & orig)
m_display_list = orig.m_display_list;
m_display_list_refcnt = orig.m_display_list_refcnt;
(*m_display_list_refcnt)++;
m_scale = orig.m_scale;
m_is_scaled = orig.m_is_scaled;
}
Engine::Object::~Object()
@ -414,8 +419,18 @@ void Engine::Object::draw()
if (transform)
OdeWorld::pushTransform(pos, rot);
if (m_is_scaled)
{
glPushAttrib(GL_TRANSFORM_BIT);
glEnable(GL_NORMALIZE);
glScalef(m_scale, m_scale, m_scale);
}
glCallList(m_display_list);
if (m_is_scaled)
glPopAttrib();
if (transform)
glPopMatrix();
}

5
anaglym.h
View File

@ -17,7 +17,8 @@ class Engine
class Object
{
public:
Object(bool is_static, OdeWorld & world, GLuint dl);
Object(bool is_static, OdeWorld & world, GLuint dl,
float scale = 1.0f);
Object(const Object & orig);
~Object();
@ -43,6 +44,8 @@ class Engine
GLuint m_display_list;
int * m_display_list_refcnt;
bool m_is_visible;
float m_scale;
bool m_is_scaled;
};
Engine();