void Balls::killNeighbours( int i, int j ) {
color c = balls[i][j].c;
if ( i > 0 )
if ( balls[i - 1][j].isExist && balls[i - 1][j].c == c && !balls[i - 1][j].dfs ) {
deleteBall( i - 1, j );
}
if ( j > 0 )
if ( balls[i][j - 1].isExist && balls[i][j - 1].c == c && !balls[i][j - 1].dfs ) {
deleteBall( i, j - 1 );
}
if ( i < WIDTH - 1 )
if ( balls[i + 1][j].isExist && balls[i + 1][j].c == c && !balls[i + 1][j].dfs ) {
deleteBall( i + 1, j );
}
if ( j < HEIGHT - 1 )
if ( balls[i][j + 1].isExist && balls[i][j + 1].c == c && !balls[i][j + 1].dfs ) {
deleteBall( i, j + 1 );
}
}
void World::newFrame() // Call this to advance the world one tick
{
if(deleteKeyPressed)
deleteBall(currentMousePos);
int x = balls.size()-1;
Collision * returnedValue;
if(tempOnTop)
x--;
while(x >= 0)
{
returnedValue = balls[x].tick(screenWidth, screenHeight, gravityDirection, gravityStrength, speedControl.getTime());
if(returnedValue != NULL)
collisions.push_back(returnedValue);
x--;
}
speedControl.reset();
speedControl.start();
frameNum++;
}
// === Animation Thread =============================================
static PT_THREAD (protothread_anim_balls(struct pt *pt))
{
PT_BEGIN(pt);
while(1) {
PT_YIELD_TIME_msec(20);
iterator = initial_ball;
while(iterator != NULL) {
iterator2 = iterator->next;
tft_fillCircle(fix2int16(iterator->xc), fix2int16(iterator->yc), RADIUS, ILI9340_BLACK);
(iterator->xc) = (iterator->xc) + multfix16((iterator->vxc), drag);
(iterator->yc) = (iterator->yc) + multfix16((iterator->vyc), drag);
tft_fillCircle(fix2int16(iterator->xc), fix2int16(iterator->yc), RADIUS, ILI9340_WHITE);
while(iterator2 != NULL) {
if (balls_collide(iterator, iterator2) && (iterator->hit_counter <= 0) && (iterator2->hit_counter <= 0))
computeVelocityChange(iterator, iterator2);
else if (balls_collide(iterator, iterator2))
{
iterator->hit_counter = COUNTER;
iterator2->hit_counter = COUNTER;
}
else{
iterator->hit_counter--;
iterator2->hit_counter--;
}
iterator2 = iterator2->next;
}
// If the ball hits the paddle
if ((myPaddle->xc+DIAMETER >= fix2int16(iterator->xc)) && (myPaddle->yc <= fix2int16(iterator->yc))
&& ((myPaddle->yc+PADDLE_LEN) >= fix2int16(iterator->yc))){
iterator->vxc = -(iterator->vxc);
iterator->vyc = iterator->vyc + multfix16(int2fix16(myPaddle->vyc),pdrag);
//DmaChnSetTxfer(dmaChn, sine_table2, (void*)&CVRCON, sizeof(sine_table2), 1, 1);
//DmaChnEnable(dmaChn);
//PT_YIELD_TIME_msec(2);
//DmaChnDisable(dmaChn);
}
// Else the ball went off the right edge
else if (myPaddle->xc+DIAMETER >= fix2int16(iterator->xc))
{
DmaChnSetTxfer(dmaChn, ball_scored, (void*)&CVRCON, sizeof(ball_scored), 1, 1);
DmaChnEnable(dmaChn);
PT_YIELD_TIME_msec(2);
DmaChnDisable(dmaChn);
deleteBall(iterator);
score--;
}
// Calculate top bin
else if ((iterator->xc) <= int2fix16(250+2) && iterator->xc >= int2fix16(175-2) && iterator->yc <= int2fix16(25+9))
{ deleteBall(iterator); score++;}
// Calculate bottom bin
else if ((iterator->xc) <= int2fix16(250+2) && iterator->xc >= int2fix16(175-2) && iterator->yc >= int2fix16(233-2))
{ deleteBall(iterator); score++;}
// Bounce off right wall
else if ((iterator->xc) >= int2fix16(315))
(iterator->vxc) = -(iterator->vxc);
// Bounce off top or bottom wall
else if ((iterator->yc) <= int2fix16(25) ||(iterator->yc) >= int2fix16(233))
(iterator->vyc) = -(iterator->vyc);
iterator = iterator->next;
}
} // END WHILE(1)
PT_END(pt);
} // animation thread
