#include <ctime>
#include <cmath>
+#include <memory>
#include <GL/glut.h>
#include "sea.h"
+#include "seaview.h"
#include "watersurface.h"
-const int LATTICE_SIZE = 10;
-const double LATTICE_UNIT = 1;
+const int LATTICE_SIZE{10};
+const double LATTICE_EXTEND{10};
+const int INIT_WINDOW_POS_X{100};
+const int INIT_WINDOW_POS_Y{100};
+const int INIT_WINDOW_WIDTH{300};
+const int INIT_WINDOW_HEIGHT{300};
+const double INIT_VIEW_DISTANCE{LATTICE_EXTEND * 1.5};
+const double INIT_VIEW_AZIMUTH{0};
+const double INIT_VIEW_ALTITUDE{M_PI / 4};
+const char WINDOW_TITLE[]{"seamulator"};
SeaPtr sea;
WaterSurfacePtr surface;
-
-struct
-{
- float lookRadius = LATTICE_SIZE*LATTICE_UNIT*1.5;
- float lookAz = 0;
- float lookAlt = M_PI/4;
- float fstMouseAngle[2], oldLookAz, oldLookAlt;
-} view;
+std::unique_ptr<SeaView> seaView;
void glDisplayFunc();
void glReshapeFunc(int width, int height);
{
std::srand(std::time(0));
- surface = std::make_shared<WaterSurface>(LATTICE_SIZE, LATTICE_UNIT);
+ surface = std::make_shared<WaterSurface>(LATTICE_SIZE, LATTICE_EXTEND);
sea = std::make_shared<Sea>(surface);
+ seaView = std::make_unique<SeaView>(INIT_VIEW_DISTANCE, INIT_VIEW_AZIMUTH,
+ INIT_VIEW_ALTITUDE);
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE);
- glutInitWindowSize(300, 300);
- glutInitWindowPosition(100, 100);
- glutCreateWindow("seamulator");
-
+ glutInitWindowSize(INIT_WINDOW_WIDTH, INIT_WINDOW_HEIGHT);
+ glutInitWindowPosition(INIT_WINDOW_POS_X, INIT_WINDOW_POS_Y);
+ glutCreateWindow(WINDOW_TITLE);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glutDisplayFunc(glDisplayFunc);
void glDisplayFunc()
{
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
-
glClear(GL_COLOR_BUFFER_BIT);
+ seaView->setupView();
sea->update();
surface->draw();
glutSwapBuffers();
-
glutPostRedisplay();
}
-void updateView(int width, int height)
+void glReshapeFunc(int width, int height)
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
-
gluPerspective(50.0, ((float)width/(float)height), 0, 1000.0);
glViewport(0, 0, width, height);
-
- float eyePos[3];
- eyePos[0] = view.lookRadius*cos(view.lookAlt)*sin(view.lookAz);
- eyePos[1] = view.lookRadius*cos(view.lookAlt)*cos(view.lookAz);
- eyePos[2] = view.lookRadius*sin(view.lookAlt);
-
- gluLookAt(eyePos[0], eyePos[1], eyePos[2],
- 0, 0, 0,
- 0, 0, 1);
-}
-
-void updateView()
-{
- updateView(glutGet(GLUT_WINDOW_WIDTH), glutGet(GLUT_WINDOW_HEIGHT));
-}
-
-void glReshapeFunc(int width, int height)
-{
- updateView(width, height);
}
void glMouseFunc(int button, int state, int x, int y)
{
- if (button == 3 && state == 0)
- {
- view.lookRadius += view.lookRadius*0.1;
- updateView();
- }
-
- else if (button == 4 && state == 0)
- {
- view.lookRadius -= view.lookRadius*0.1;
- updateView();
- }
-
- else if (button == 0 && state == 0) {
- view.fstMouseAngle[0] = x;
- view.fstMouseAngle[1] = y;
- view.oldLookAz = view.lookAz;
- view.oldLookAlt = view.lookAlt;
- }
-
+ seaView->onMouseEvent(button, state, x, y);
}
void glMotionFunc(int x, int y)
{
- view.lookAlt = fmod(view.oldLookAlt +
- (float)((y-view.fstMouseAngle[1])*2*M_PI/glutGet(GLUT_WINDOW_HEIGHT)),
- (float)(2*M_PI));
-
- view.lookAz = fmod(view.oldLookAz +
- (float)((x-view.fstMouseAngle[0])*2*M_PI/glutGet(GLUT_WINDOW_WIDTH)),
- (float)(2*M_PI));
-
- updateView();
+ seaView->onMouseMove(x, y);
}