use SDL::Event;
use Math::CatmullRom;
use Algorithm::Line::Bresenham qw(line);
+use Math::Bezier;
use Carp qw(cluck);
use Data::Dump qw(dump);
+use Airplane;
+our @airplanes;
+
our $debug = 0;
my ( $w, $h ) = ( 800, 480 );
warn '# ', dump( @_ ), " $filename +$line\n";
}
-my $mask = SDL::Surface->new(
- -name => 'artwork/world1/a-mask.png',
- -depth => 24,
-);
-
our $app = SDL::App->new(
-width => $w,
-height => $h,
-title => 'Trace mouse',
);
-our $app_rect = SDL::Rect->new( -x => 0, -y => 0, -width => $w, -height => $h );
-$mask->blit( $mask->rect, $app, $app_rect );
-$app->sync;
+our @masks;
+our @landings;
+foreach my $path ( glob 'artwork/world1/*mask*.png' ) {
+ warn "mask $path ", -s $path, " bytes\n";
-my @landing;
+ my $mask = SDL::Surface->new(
+ -name => $path,
+ -depth => 24,
+ );
+ push @masks, $mask;
-my $mask_step = 10;
+ $mask->blit( $mask->rect, $app );
+ $app->sync;
-my $y = 0;
-foreach ( 0 .. $mask->height / $mask_step ) {
- printf "%3d: ", $_;
- my $x = 0;
- foreach ( 0 .. $mask->width / $mask_step ) {
- my $col = $mask->pixel( $x, $y );
- my $nr = 0;
- $nr += 4 if $col->r;
- $nr += 2 if $col->g;
- $nr += 1 if $col->b;
- $landing[$nr] = [ $x, $y ] unless defined $landing[$nr];
- printf "%02x%02x%02x:%d ", $col->r, $col->g, $col->b, $nr;
- $x += $mask_step;
+ my @landing;
+ my $mask_step = 10;
+
+ my $y = 0;
+ foreach ( 0 .. $mask->height / $mask_step ) {
+ printf "%3d: ", $_;
+ my $x = 0;
+ foreach ( 0 .. $mask->width / $mask_step ) {
+ my $col = $mask->pixel( $x, $y );
+ my $nr = 0;
+ $nr += 4 if $col->r;
+ $nr += 2 if $col->g;
+ $nr += 1 if $col->b;
+ $landing[$nr] = [ $x, $y ] unless defined $landing[$nr];
+ printf "%02x%02x%02x:%d ", $col->r, $col->g, $col->b, $nr;
+ $x += $mask_step;
+ }
+ print "\n";
+ $y += $mask_step;
}
- print "\n";
- $y += $mask_step;
+
+ warn "lading for $path ",dump(@landing);
+
+ push @landings, [ @landing ];
+}
+
+my $current_mask = 0;
+
+warn "# masks ",dump(@masks), " landings ", dump(@landings);
+
+sub mask_hex {
+ my ( $i, $x, $y ) = @_;
+
+ my $col = $masks[$i]->pixel( $x, $y );
+ my $hex = sprintf '%02x%02x%02x', $col->r, $col->g, $col->b;
+ warn "mask $x $y $hex\n";
+ return $hex;
}
-warn 'lading ',dump(@landing);
+sub lading_points {
+ my ( $x, $y ) = @_;
+ my @points;
+ foreach my $i ( 0 .. $#masks ) {
+ my $hex = mask_hex( $i, $x, $y );
+ if ( $hex eq '000000' ) {
+ warn "lading point $x $y from mask $i hex $hex\n";
+ foreach ( 1 .. 6 ) {
+ push @points,
+ $landings[$i]->[$_]->[0],
+ $landings[$i]->[$_]->[1];
+ }
+ } else {
+ debug $x, $y, $i, $hex, 'ignored';
+ }
+ warn "mask $i points ",dump( @points );
+ }
+ return @points;
+}
our $event = SDL::Event->new;
our @path;
sub reset_path { @path = () }
-sub curve {
-
- my $mask_col = $mask->pixel( $path[-2], $path[-1] );
- my $mask_hex = sprintf '%02x%02x%02x', $mask_col->r, $mask_col->g, $mask_col->b;
- warn "mask $path[-2] $path[1] $mask_hex\n";
-
- if ( $mask_hex eq '000000' ) { # push landing point at path end
- foreach ( 1 .. 6 ) {
- push @path, $landing[$_]->[0], $landing[$_]->[1];
- }
- }
+sub curve_catmull_rom {
if ( $#path < ( 4 * 2 - 1 ) ) { # less than 4 points
warn "path too short ", dump @path;
my $curve = Math::CatmullRom->new( @path );
my $points = $#path + 1 - 4; # remove start/end points
- my @curve = $curve->curve( $points );
+ return $curve->curve( $points );
+}
+
+sub curve_bezier {
+ my $curve = Math::Bezier->new( @path );
+ return $curve->curve( $#path + 1 );
+}
+
+our $curve_type = 0;
+
+sub curve {
+ # add landing path points
+ push @path, lading_points( $path[-2], $path[-1] ) if $#path > 1;
+
+ my $type = 1;
+
+ my @curve = $curve_type ? curve_catmull_rom : curve_bezier;
debug 'curve' => @curve;
my $i = 0;
);
}
$app->sync;
+
+ push @airplanes, Airplane->new( $app );
+ $airplanes[-1]->set_path( @path );
reset_path;
}
+sub clear_screen {
+ my ( $mask ) = @_;
+ reset_path;
+ $app->fill( $app->rect, $black );
+ if ( defined $mask ) {
+ warn "clear_screen $mask";
+ $masks[$current_mask]->blit( $masks[$current_mask]->rect, $app, $app->rect );
+ } else {
+ warn "clear_screen all masks";
+ $_->blit( $_->rect, $app, $app->rect ) foreach @masks;
+ }
+ $app->sync;
+}
+
sub handle_events {
- while ( $event->wait ) {
+ while ( $event->poll ) {
my $type = $event->type();
if ( $type == SDL_MOUSEBUTTONDOWN() ) {
} elsif ( $type == SDL_MOUSEBUTTONUP() ) {
debug 'mouse up', $event->button_x, $event->button_y;
$mouse_down = 0;
-
curve;
} elsif ( $type == SDL_QUIT() ) {
exit;
} elsif ( $type == SDL_KEYDOWN() ) {
my $key = $event->key_name;
- debug 'key down', $key;
+ warn 'key down', $key, $/;
exit if $key =~ m/^[xq]$/;
if ( $key eq 's' ) { # XXX draw curve
curve;
} elsif ( $key eq 'backspace' || $key eq 'c' ) { # XXX clean screen
- reset_path;
- $app->fill( $app->rect, $black );
-# $app->update( $rect );
- $mask->blit( $mask->rect, $app, $app_rect );
- $app->sync;
+ clear_screen;
} elsif ( $key eq 'd' ) { # XXX toggle debug
$debug = ! $debug;
warn "debug $debug\n";
+ } elsif ( $key eq 'm' ) { # XXX cycle masks
+ $current_mask++;
+ $current_mask = 0 if $current_mask > $#masks;
+ clear_screen $current_mask;
+ } elsif ( $key eq 't' ) { # XXX curve type
+ $curve_type = ! $curve_type;
} else {
warn "unknown key $key";
}
$app->fill( $rect, $mouse_color );
$app->update( $rect );
$last_x = $x;
- $last_y = $y;
+ $last_y = $y;
} else {
$mouse_down = 0;
curve;
while(1) {
handle_events;
+ $_->draw foreach @airplanes;
+ $app->delay(50);
$app->sync;
- $app->delay(1);
}
1;
projects / perl-landing-airplanes.git / blobdiff