quick backup:

[demo] / src / main.cc

diff --git a/src/main.cc b/src/main.cc
index dc3440d..4d77441 100644 (file)
--- a/src/main.cc
+++ b/src/main.cc
@@ -3,8 +3,10 @@
 #include <string.h>
 #include <vector>
 
-#include "object.h"
+/* TODO: fix those */
+#include "camera.h"
 #include "mesh.h"
+#include "object.h"
 #include "scene.h"
 
 #include "opengl/opengl.h"
@@ -18,12 +20,24 @@ static void display();
 
 /* glfw callbacks */
 static void key_clbk(GLFWwindow *win, int key, int scancode, int action, int mods);
+static void motion_clbk(GLFWwindow *win, double x, double y);
+static void mouse_clbk(GLFWwindow *win, int button, int action, int mods);
 
 /* global variables */
 bool use_vulkan;
+
 GLFWwindow *win;
+int win_w = 800;
+int win_h = 600;
+
+OrbitCamera *camera;
 
 /* variables */
+static float phi = 25;
+static float theta = 0;
+static float dist = 4;
+
+// TODO: remove just for test:
 static Scene scene;
 
 int main(int argc, char **argv)
@@ -48,6 +62,8 @@ int main(int argc, char **argv)
        }
 
        glfwSetKeyCallback(win, key_clbk);
+       glfwSetCursorPosCallback(win, motion_clbk);
+       glfwSetMouseButtonCallback(win, mouse_clbk);
 
        while(!glfwWindowShouldClose(win)) {
                display();
@@ -62,6 +78,13 @@ int main(int argc, char **argv)
 
 static bool init()
 {
+       /* TODO */
+       /*
+               TODO changes:
+               1- create cam
+               2- scene
+               3- renderers
+       */
        if(use_vulkan) {
                if(!init_vulkan())
                        return false;
@@ -71,6 +94,9 @@ static bool init()
                        return false;
        }
 
+       camera = new OrbitCamera;
+       camera->set_orbit_params(phi, theta, dist);
+
        if(!scene.load("data/spot/spot_control_mesh.obj")) {
                fprintf(stderr, "Failed to load scene.\n");
                return false;
@@ -94,6 +120,8 @@ static void cleanup()
        else {
                cleanup_opengl();
        }
+
+       delete camera;
 }
 
 static void key_clbk(GLFWwindow *win, int key, int scancode, int action, int mods)
@@ -103,6 +131,41 @@ static void key_clbk(GLFWwindow *win, int key, int scancode, int action, int mod
        }
 }
 
+static double prev_x, prev_y;
+static int button;
+
+static void motion_clbk(GLFWwindow *win, double x, double y)
+{
+       switch(button) {
+       case GLFW_MOUSE_BUTTON_LEFT:
+               theta += x - prev_x;
+               phi += y - prev_y;
+
+               if(phi < -90)
+                       phi = -90;
+               if(phi > 90)
+                       phi = 90;
+
+               break;
+
+       case GLFW_MOUSE_BUTTON_RIGHT:
+               dist *= (y - prev_y) * 0.01 + 1;
+               if(dist < 0.0) {
+                       dist = 0.0;
+               }
+               break;
+       }
+
+       prev_x = x;
+       prev_y = y;
+}
+
+static void mouse_clbk(GLFWwindow *win, int bn, int action, int mods)
+{
+       button = bn;
+       glfwGetCursorPos(win, &prev_x, &prev_y);
+}
+
 static void display()
 {
        if(use_vulkan) {
@@ -111,4 +174,4 @@ static void display()
        else {
                display_opengl();
        }
-}
+}
\ No newline at end of file