void myCamera::MoveForwardBack(float t)
{
GLfloat f[3] = {w[0], 0, w[2]};
GLfloat* r = normalize(f);
pos[0] += t*r[0];
pos[1] += t*r[1];
pos[2] += t*r[2];
delete[] r;
generateT();
}
void myCamera::MoveLeftRight(float t)
{
GLfloat f[3] = {u[0], 0, u[2]};
GLfloat* r = normalize(f);
pos[0] += t*r[0];
pos[1] += t*r[1];
pos[2] += t*r[2];
delete[] r;
generateT();
}
void myCamera::move(float x, float y, float z)
{
float move_amount = WALK_SPEED;
if (isSprinting && sprintTime > 0) //If you can sprint
{
move_amount = SPRINT_SPEED;
setMoveSpeed(move_amount);
sprintTime -= .25;
}
else
{
}
pos[0] += move_amount*x;
pos[1] += move_amount*y;
pos[2] += move_amount*z;
if (isSprinting && sprintTime > 0)
{
pos[1] += .005 * sin(1.3 * wave);
}
else
{
pos[1] += .005 * sin(.9 * wave);
}
wave += .2;
if (.2 * sin(2 * wave) > 3.14)
{
wave = 0;
pos[1] = .6;
}
generateT();
}
myCamera::myCamera(float posx, float posy, float posz, float atx, float aty, float atz, float upx, float upy, float upz, int t)
{
move_speed = 0;
wave = 0;
isSprinting = false;
sprintTime = 100;
type = t;
fovy = 65.0;
aspect = 1.0;
zNear = .1;
zFar = 200.0;
top = 5;
bottom = -5;
left = -5;
right = 5;
pos[0] = posx;
pos[1] = posy;
pos[2] = posz;
pos[3] = 1.0;
look[0] = atx;
look[1] = aty;
look[2] = atz;
look[3] = 1.0;
up[0] = upx;
up[1] = upy;
up[2] = upz;
GLfloat* r = normalize(look);
w[0] = -r[0];
w[1] = -r[1];
w[2] = -r[2];
delete[] r;
GLfloat up_w = dot_product(up, w);
// mult_w = (up dot w) * w
GLfloat *mult_w = scalar_mult(up_w, w);
// up_sub_mult_w = up - (up dot w)*w;
GLfloat* up_sub_mult_w = vector_subtract(up, mult_w);
r = normalize(up_sub_mult_w);
v[0] = r[0];
v[1] = r[1];
v[2] = r[2];
delete [] r;
r = cross_product(v, w);
u[0] = r[0];
u[1] = r[1];
u[2] = r[2];
generateT();
generateR();
generateS();
generateM();
delete [] mult_w;
delete [] up_sub_mult_w;
delete [] r;
}
void myCamera::moveAlongZ(float t)
{
pos[2] += t;
generateT();
}
void myCamera::moveAlongY(float t)
{
pos[1] += t;
generateT();
}
void myCamera::moveAlongX(float t)
{
pos[0] += t;
generateT();
}