What im trying to do is make the camera and the character(cube for now) move and rotate at the same time. I can get my character to move with the arrow keys and look around with the mouse, but the cube I cant get to work. I use GLuLookAt() to move the camera around. I also made a strcture to hold the character data (xPos,yPos,zPos,xRot,yRot,ZRot). I need to keep track of this info so that evenually i can send it to a server
that will keep track of all character. So all i need help on is making the camera and character move in sync(for now a couple units infront of the camera for testing). Well anyone who can help me that would be awesome.
Draw the scene...
int DrawGLScene(GLvoid)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
// Tell OpenGL where to point the camera
camera.Look();
GLfloat x_m, y_m, z_m, u_m, v_m;
int numtriangles;
numtriangles = sector1.numtriangles;
glPushMatrix();
glEnable(GL_TEXTURE_2D);
// Process Each Triangle
for (int loop_m = 0; loop_m < numtriangles; loop_m++)
{
glBindTexture(GL_TEXTURE_2D, texture[sector1.triangle[loop_m].t]);
glBegin(GL_TRIANGLES);
glNormal3f( 0.0f, 0.0f, 1.0f);
x_m = sector1.triangle[loop_m].vertex[0].x;
y_m = sector1.triangle[loop_m].vertex[0].y;
z_m = sector1.triangle[loop_m].vertex[0].z;
u_m = sector1.triangle[loop_m].vertex[0].u;
v_m = sector1.triangle[loop_m].vertex[0].v;
glTexCoord2f(u_m,v_m); glVertex3f(x_m,y_m,z_m);
x_m = sector1.triangle[loop_m].vertex[1].x;
y_m = sector1.triangle[loop_m].vertex[1].y;
z_m = sector1.triangle[loop_m].vertex[1].z;
u_m = sector1.triangle[loop_m].vertex[1].u;
v_m = sector1.triangle[loop_m].vertex[1].v;
glTexCoord2f(u_m,v_m); glVertex3f(x_m,y_m,z_m);
x_m = sector1.triangle[loop_m].vertex[2].x;
y_m = sector1.triangle[loop_m].vertex[2].y;
z_m = sector1.triangle[loop_m].vertex[2].z;
u_m = sector1.triangle[loop_m].vertex[2].u;
v_m = sector1.triangle[loop_m].vertex[2].v;
glTexCoord2f(u_m,v_m); glVertex3f(x_m,y_m,z_m);
glEnd();
}
glPopMatrix();
glTranslatef(char1.xPos, char1.yPos, char1.zPos);
glRotatef(char1.xRot, 1.0f, 0.0f, 0.0f);
glRotatef(char1.yRot , 0.0f, 1.0f, 0.0f);
glRotatef(char1.zRot, 0.0f, 0.0f, 1.0f);
glBindTexture(GL_TEXTURE_2D, texture[3]);
glBegin(GL_QUADS);
//front of character
glTexCoord2f(0.0f, 1.0f); glVertex3f(-0.3f, 1.0f, -1.0f);
glTexCoord2f(1.0f, 1.0f); glVertex3f(+0.3f, 1.0f, -1.0f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(+0.3f, 0.0f, -1.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-0.3f, 0.0f, -1.0f);
glEnd();
glBindTexture(GL_TEXTURE_2D, texture[4]);
glBegin(GL_QUADS);
//back of character
glTexCoord2f(0.0f, 1.0f); glVertex3f(-0.3f, 1.0f, -0.7f);
glTexCoord2f(1.0f, 1.0f); glVertex3f(+0.3f, 1.0f, -0.7f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(+0.3f, 0.0f, -0.7f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-0.3f, 0.0f, -0.7f);
//left of character
glTexCoord2f(0.0f, 1.0f); glVertex3f(-0.3f, 1.0f, -0.7f);
glTexCoord2f(1.0f, 1.0f); glVertex3f(-0.3f, 1.0f, -1.0f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(-0.3f, 0.0f, -1.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-0.3f, 0.0f, -0.7f);
//right of character
glTexCoord2f(0.0f, 1.0f); glVertex3f(+0.3f, 1.0f, -0.7f);
glTexCoord2f(1.0f, 1.0f); glVertex3f(+0.3f, 1.0f, -1.0f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(+0.3f, 0.0f, -1.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(+0.3f, 0.0f, -0.7f);
glEnd();
glColor3f(1.0f, 1.0f, 1.0f);
return TRUE;
}
Check for arrows keys being presses...
void CCamera::CheckForMovement()
{
float speed = kSpeed * frameInterval;
// Check if we hit the Up arrow or the 'w' key
if(GetKeyState(VK_UP) & 0x80 || GetKeyState('W') & 0x80) {
// Move our camera forward by a positive SPEED
MoveCamera(speed);
char1.zPos -=speed;
}
// Check if we hit the Down arrow or the 's' key
if(GetKeyState(VK_DOWN) & 0x80 || GetKeyState('S') & 0x80) {
// Move our camera backward by a negative SPEED
MoveCamera(-speed);
char1.zPos +=speed;
}
// Check if we hit the Left arrow or the 'a' key
if(GetKeyState(VK_LEFT) & 0x80 || GetKeyState('A') & 0x80) {
// Strafe the camera left
StrafeCamera(-speed);
char1.xPos-=speed;
}
// Check if we hit the Right arrow or the 'd' key
if(GetKeyState(VK_RIGHT) & 0x80 || GetKeyState('D') & 0x80) {
// Strafe the camera right
StrafeCamera(speed);
char1.xPos+=speed;
}
}
Set the view based on mouse movement...
void CCamera::SetViewByMouse()
{
POINT mousePos; // This is a window structure that holds an X and Y
int middleX = SCREEN_WIDTH >> 1; // This is a binary shift to get half the width
int middleY = SCREEN_HEIGHT >> 1; // This is a binary shift to get half the height
float angleY = 0.0f; // This is the direction for looking up or down
float angleZ = 0.0f; // This will be the value we need to rotate around the Y axis (Left and Right)
static float currentRotX = 0.0f;
// Get the mouse's current X,Y position
GetCursorPos(&mousePos);
// If our cursor is still in the middle, we never moved... so don't update the screen
if( (mousePos.x == middleX) && (mousePos.y == middleY) ) return;
// Set the mouse position to the middle of our window
SetCursorPos(middleX, middleY);
// Get the direction the mouse moved in, but bring the number down to a reasonable amount
angleY = (float)( (middleX - mousePos.x) ) / 1000.0f;
angleZ = (float)( (middleY - mousePos.y) ) / 1000.0f;
currentRotX -= angleZ;
// If the current rotation (in radians) is greater than 1.0, we want to cap it.
if(currentRotX > 0.5f)
currentRotX = 0.5f;
else if(currentRotX < -0.5f)
currentRotX = -0.5f;
else
{
CVector3 vAxis = Cross(m_vView - m_vPosition, m_vUpVector);
vAxis = Normalize(vAxis);
// Rotate around our perpendicular axis and along the y-axis
RotateView(angleZ, vAxis.x, vAxis.y, vAxis.z);
RotateView(angleY, 0, 1, 0);
}
}
If you need to see the exe or any other part of my source code to help let me know either replying to this message or sending me an email at E_Williams@Rogers.com
[edited by - Eric_003 on March 8, 2003 2:14:09 PM]
