- added subgear linkage

[antikythera] / src / main.cc

diff --git a/src/main.cc b/src/main.cc
index ce8466e..5dd2857 100644 (file)
--- a/src/main.cc
+++ b/src/main.cc
@@ -67,7 +67,6 @@ static bool init()
        glEnable(GL_DEPTH_TEST);
        glEnable(GL_CULL_FACE);
        glEnable(GL_LIGHTING);
-       glEnable(GL_LIGHT0);
        glEnable(GL_NORMALIZE);
 
        Mesh::use_custom_sdr_attr = false;
@@ -95,6 +94,13 @@ static bool init()
        gear3->gen_mesh();
        machine->add_gear(gear3);
 
+       Gear *subgear = new Gear;
+       subgear->set_teeth(10, pitch);
+       subgear->pos = Vec3(0, 0, (gear2->thickness + subgear->thickness) / 2 + 1);
+       subgear->gen_mesh();
+       gear2->attach(subgear);
+       machine->add_gear(subgear);
+
        machine->add_motor(0, 1.0);
 
        start_time = glutGet(GLUT_ELAPSED_TIME);
@@ -116,6 +122,18 @@ static void update(float dt)
        hover_gear = pick_gear(prev_mx, prev_my);
 }
 
+static void set_light(int idx, const Vec3 &pos, const Vec3 &color)
+{
+       unsigned int lt = GL_LIGHT0 + idx;
+       float posv[] = { pos.x, pos.y, pos.z, 1 };
+       float colv[] = { color.x, color.y, color.z, 1 };
+
+       glEnable(lt);
+       glLightfv(lt, GL_POSITION, posv);
+       glLightfv(lt, GL_DIFFUSE, colv);
+       glLightfv(lt, GL_SPECULAR, colv);
+}
+
 static void display()
 {
        unsigned int msec = glutGet(GLUT_ELAPSED_TIME) - start_time;
@@ -130,6 +148,10 @@ static void display()
        glRotatef(cam_phi, 1, 0, 0);
        glRotatef(cam_theta, 0, 1, 0);
 
+       set_light(0, Vec3(-50, 75, 100), Vec3(1.0, 0.8, 0.7) * 0.8);
+       set_light(1, Vec3(100, 0, 30), Vec3(0.6, 0.7, 1.0) * 0.6);
+       set_light(2, Vec3(-10, -10, 60), Vec3(0.8, 1.0, 0.8) * 0.3);
+
        update(dt);
 
        draw_gears();