static float dollarDifference(SDL_FloatPoint* points,SDL_FloatPoint* templ,float ang)
{
/* SDL_FloatPoint p[DOLLARNPOINTS]; */
float dist = 0;
SDL_FloatPoint p;
int i;
for (i = 0; i < DOLLARNPOINTS; i++) {
p.x = (float)(points[i].x * SDL_cos(ang) - points[i].y * SDL_sin(ang));
p.y = (float)(points[i].x * SDL_sin(ang) + points[i].y * SDL_cos(ang));
dist += (float)(SDL_sqrt((p.x-templ[i].x)*(p.x-templ[i].x)+
(p.y-templ[i].y)*(p.y-templ[i].y)));
}
return dist/DOLLARNPOINTS;
}
void Cannon::aimAtPoint(float timeElapsed, Vector2f pos, Vector2f vel)
{
float myPosX = myStation->getPos().x + ((cos(myStation->getRotation()*M_PI/180)*position.x)-(sin(myStation->getRotation()*M_PI/180)*position.y));
float myPosY = myStation->getPos().y + ((sin(myStation->getRotation()*M_PI/180)*position.x)+(cos(myStation->getRotation()*M_PI/180)*position.y));
Vector2f distBetween = Vector2f(pos.x-myPosX,pos.y-myPosY);
float time = 826.0f/distBetween.length();
Vector2f fDist = (myStation->getVelocity()/time)*-1;
Vector2f fDist2 = (vel/time);
float rot = rotation;
if(rot < 0)
{
rot+=360;
}
if(rot>=360)
{
rot -= 360;
}
float dir = 0;
distBetween = Vector2f((pos.x+fDist.x+fDist2.x)-(myPosX),(pos.y+fDist.y+fDist2.y)-(myPosY));
distBetween /= distBetween.length();
dir = ( ( SDL_cos((rot)*M_PI/180)*180/M_PI) * (distBetween.y) - ( SDL_sin((rot)*M_PI/180)*180/M_PI) * (distBetween.x));
if(dir <-2)
{
rotation -=20*timeElapsed;
}
else if(dir > 2)
{
rotation += 20*timeElapsed;
}
if( dir <=2 && dir >= -2)
{
action(timeElapsed);
}
}
float
SDL_cosf(float x)
{
#if defined(HAVE_COSF)
return cosf(x);
#else
return (float)SDL_cos((double)x);
#endif
}
/* DollarPath contains raw points, plus (possibly) the calculated length */
static int dollarNormalize(const SDL_DollarPath *path,SDL_FloatPoint *points)
{
int i;
float interval;
float dist;
int numPoints = 0;
SDL_FloatPoint centroid;
float xmin,xmax,ymin,ymax;
float ang;
float w,h;
float length = path->length;
/* Calculate length if it hasn't already been done */
if (length <= 0) {
for (i=1;i < path->numPoints; i++) {
float dx = path->p[i ].x - path->p[i-1].x;
float dy = path->p[i ].y - path->p[i-1].y;
length += (float)(SDL_sqrt(dx*dx+dy*dy));
}
}
/* Resample */
interval = length/(DOLLARNPOINTS - 1);
dist = interval;
centroid.x = 0;centroid.y = 0;
/* printf("(%f,%f)\n",path->p[path->numPoints-1].x,path->p[path->numPoints-1].y); */
for (i = 1; i < path->numPoints; i++) {
float d = (float)(SDL_sqrt((path->p[i-1].x-path->p[i].x)*(path->p[i-1].x-path->p[i].x)+
(path->p[i-1].y-path->p[i].y)*(path->p[i-1].y-path->p[i].y)));
/* printf("d = %f dist = %f/%f\n",d,dist,interval); */
while (dist + d > interval) {
points[numPoints].x = path->p[i-1].x +
((interval-dist)/d)*(path->p[i].x-path->p[i-1].x);
points[numPoints].y = path->p[i-1].y +
((interval-dist)/d)*(path->p[i].y-path->p[i-1].y);
centroid.x += points[numPoints].x;
centroid.y += points[numPoints].y;
numPoints++;
dist -= interval;
}
dist += d;
}
if (numPoints < DOLLARNPOINTS-1) {
SDL_SetError("ERROR: NumPoints = %i\n",numPoints);
return 0;
}
/* copy the last point */
points[DOLLARNPOINTS-1] = path->p[path->numPoints-1];
numPoints = DOLLARNPOINTS;
centroid.x /= numPoints;
centroid.y /= numPoints;
/* printf("Centroid (%f,%f)",centroid.x,centroid.y); */
/* Rotate Points so point 0 is left of centroid and solve for the bounding box */
xmin = centroid.x;
xmax = centroid.x;
ymin = centroid.y;
ymax = centroid.y;
ang = (float)(SDL_atan2(centroid.y - points[0].y,
centroid.x - points[0].x));
for (i = 0; i<numPoints; i++) {
float px = points[i].x;
float py = points[i].y;
points[i].x = (float)((px - centroid.x)*SDL_cos(ang) -
(py - centroid.y)*SDL_sin(ang) + centroid.x);
points[i].y = (float)((px - centroid.x)*SDL_sin(ang) +
(py - centroid.y)*SDL_cos(ang) + centroid.y);
if (points[i].x < xmin) xmin = points[i].x;
if (points[i].x > xmax) xmax = points[i].x;
if (points[i].y < ymin) ymin = points[i].y;
if (points[i].y > ymax) ymax = points[i].y;
}
/* Scale points to DOLLARSIZE, and translate to the origin */
w = xmax-xmin;
h = ymax-ymin;
for (i=0; i<numPoints; i++) {
points[i].x = (points[i].x - centroid.x)*DOLLARSIZE/w;
points[i].y = (points[i].y - centroid.y)*DOLLARSIZE/h;
}
return numPoints;
}
void CHighCloud::moveCould(SDL_Rect playerRect)
{
if (health->checkLife())
{
if (!inShock)
{
float playerCenterX = playerRect.x + playerRect.w / 2;
float playerCenterY = playerRect.y + playerRect.h / 2;
float cloudCenterX = cloud->getX() + cloud->getW() / 2;
float cloudCenterY = cloud->getY() + cloud->getH() / 2;
if (movementtimer * 5 % 180 == 0)
{
if (cloudCenterX - playerCenterX != 0) { angleTraveling = (180 / M_PI) * atan((cloudCenterY - playerCenterY) / (cloudCenterX - playerCenterX)); }
//else angleTraveling = (180 / M_PI) * atan((cloudCenterY - playerCenterY) / (cloudCenterX - playerCenterX)+0.01);
if (cloudCenterY - playerCenterY <= 0 & cloudCenterX - playerCenterX >= 0) { angleTraveling = 180 + angleTraveling; }
if (cloudCenterY - playerCenterY >= 0 & cloudCenterX - playerCenterX >= 0) { angleTraveling = 180 + angleTraveling; }
if (cloudCenterY - playerCenterY >= 0 & cloudCenterX - playerCenterX <= 0) { angleTraveling = 360 + angleTraveling; }
}
movementtimer++;
if (movementtimer * 5 % 180 == 0)
{
if (movementtimer * 5 % 360 == 0)
directionToggle = 1;
else
directionToggle = -1;
}
cloud->setX(cloud->getX() + (SDL_cos(angleTraveling*(M_PI / 180))*cloudSpeed)*(directionToggle*SDL_sin((float)movementtimer * 5 * (M_PI / 180))));
cloud->setY(cloud->getY() + (SDL_sin(angleTraveling*(M_PI / 180))*cloudSpeed)*(directionToggle*SDL_sin((float)movementtimer * 5 * (M_PI / 180))));
float distance = sqrt((cloudCenterX - playerCenterX)*(cloudCenterX - playerCenterX) + (cloudCenterY - playerCenterY)*(cloudCenterY - playerCenterY));
if (distance / 3 < highPower)
cloud->setHigh(highPower - (distance / 3));
}
else
{
hurtTimer++;
if (knockBack > 0)
knockBack--;
if (knockBack < 0)
knockBack++;
cloud->setX(cloud->getX() + knockBack);
if (hurtTimer > 15)
{
cloud->setFrame(0);
inShock = false;
hurtTimer = 0;
}
}
}
else
{
fallingAngle += 10;
deadFallingSpeed += 0.5;
cloud->setY(cloud->getY() + deadFallingSpeed);
cloud->setX(cloud->getX() + deadPushBackSpeed);
cloud->setAngle(fallingAngle);
}
}
