bool App::update()
{
game_time.update();
canvas_center.clear(clan::Colorf(0.0f,0.0f,0.0f, 1.0f));
rock.draw(canvas_center, 0.0f, 0.0f);
// Move tux
for (int cnt=0; cnt<num_tuxballs; cnt++)
{
tuxballs[cnt].move(tuxballs, game_time.get_time_elapsed() * 1000.0f);
}
// Draw tux
for (int cnt=0; cnt<num_tuxballs; cnt++)
{
tuxballs[cnt].draw(canvas_center);
}
std::string fps = clan::string_format("%1 fps", clan::StringHelp::float_to_text(game_time.get_updates_per_second(), 1));
font.draw_text(canvas_center, 150-2, 150-2, fps, clan::Colorf(0.0f, 0.0f, 0.0f, 1.0f));
font.draw_text(canvas_center, 150, 150, fps, clan::Colorf(1.0f, 1.0f, 1.0f, 1.0f));
window_center.flip(0);
return !quit;
}
bool App::update()
{
game_time.update();
canvas.clear(clan::Colorf(0.0f,0.0f,0.0f, 0.0f));
rock.set_color(clan::Colorf(1.0f, 1.0f, 1.0f, 0.8f));
rock.draw(canvas, 0.0f, 0.0f);
// Rotate tux
rotation += game_time.get_time_elapsed() * 100.0f;
clan::Angle angle;
angle.set_degrees(rotation);
tux.set_angle(angle);
// Caculate tux position
clan::Pointf circle_center( (float) (canvas.get_width()/2), (float) (canvas.get_height()/2) );
const float radius = 210.0f;
int tux_circle = 12;
tux_position.x = -(radius - tux_radius - tux_circle) * cos( angle.to_radians() / 2.0f );
tux_position.y = (radius - tux_radius - tux_circle) * sin( angle.to_radians()/ 2.0f );
tux_position += circle_center;
tux_position.x -= tux.get_width()/2;
tux_position.y -= tux.get_height()/2;
// Give tux circle blue outer outline, because it looks nice
canvas.fill_circle(tux_position.x + tux_radius, tux_position.y + tux_radius, tux_radius+tux_circle, clan::Colorf(0.0f, 0.0f, 1.0f, 1.0f));
// Make see through border
canvas.set_blend_state(blend_state_off);
canvas.fill_circle(tux_position.x + tux_radius, tux_position.y + tux_radius, tux_radius+tux_circle-2, clan::Colorf(0.0f, 0.0f, 0.0f, 0.0f));
canvas.reset_blend_state();
// Give tux circle blue outline, to mask the alpha channel
canvas.fill_circle(tux_position.x + tux_radius, tux_position.y + tux_radius, tux_radius+2, clan::Colorf(0.0f, 0.0f, 1.0f, 1.0f));
// Draw tux
tux.draw(canvas, tux_position.x, tux_position.y);
// Draw text
font_large.draw_text(canvas, 10-2, 50-2, "ClanLib Layered Window", clan::Colorf(0.1f, 0.1f, 0.1f, 1.0f));
font_large.draw_text(canvas, 10, 50, "ClanLib Layered Window", clan::Colorf::green);
font_small.draw_text(canvas, 60-2, 80-2, "Click mouse on the penguin to exit", clan::Colorf(0.1f, 0.1f, 0.1f, 1.0f));
font_small.draw_text(canvas, 60, 80, "Click mouse on the penguin to exit", clan::Colorf::green);
font_small.draw_text(canvas, 110-2, 110-2, "Drag rock to move window", clan::Colorf(0.1f, 0.1f, 0.1f, 1.0f));
font_small.draw_text(canvas, 110, 110, "Drag rock to move window", clan::Colorf::green);
window.flip(1);
return !quit;
}
int DemoShooting::run(clan::DisplayWindow &window)
{
clan::SlotContainer cc;
window.set_title("LinearParticle Example - Shooting ");
cc.connect(window.sig_window_close(), clan::bind_member(this, &DemoShooting::on_window_close));
clan::Canvas canvas(window);
cc.connect(window.get_ic().get_keyboard().sig_key_up(), clan::bind_member(this, &DemoShooting::on_key_up));
// initialize LinearParticle
L_ParticleSystem::init();
// create surface to be used for particle and set the alignment
clan::Sprite surface(canvas,"Resources/star.png");
surface.set_alignment(clan::origin_center);
motion_ctrl.set_1d_acceleration(-0.0003);
L_Particle particle(&surface,3000);
particle.set_color(L_Color(255,110,60,255));
particle.coloring2(L_Color(255,110,60,255),L_Color(0,200,100,255),0.6);
particle.rotating2(L_2PI);
particle.set_motion_controller(&motion_ctrl);
L_Vector shooting_vector;
shooting_vector.set2( 0.4, L_DEGREE_TO_RADIAN(-90) );
effect = new L_ShootingEffect(460,360,shooting_vector,16,4);
effect->add(&particle);
effect->set_width_interval(100);
effect->set_angle_interval(L_DEGREE_TO_RADIAN(45));
effect->set_life_distortion(600);
effect->set_size_distortion(0.4f);
effect->initialize();
char str[32];
quit = false;
show_menu = true;
clan::Font font(canvas, "Arial", 16 );
FramerateCounter frameratecounter;
clan::ubyte64 last_time = clan::System::get_time();
while(!quit)
{
canvas.clear();
clan::ubyte64 current_time = clan::System::get_time();
int time_run = current_time - last_time;
last_time = current_time;
/* the maximum time step is set to 50milisecs to avoid artifacts
and errors caused by low frame rate to be less noticeable. */
while( time_run > 50 )
{
run_a_step(50);
time_run -= 50;
}
if( time_run > 0 )
run_a_step(time_run);
L_DrawParticle(canvas, effect);
if( show_menu )
{
frameratecounter.show_fps(canvas, font);
sprintf(str,"#Particle : %d", effect->get_particle_num());
font.draw_text(canvas,10,30,str);
font.draw_text(canvas,10,425,"F1 : hide/show menu");
font.draw_text(canvas,10,440,"Space : trigger random sleep");
}
window.flip(0); // Set to "1" to lock to screen refresh rate
frameratecounter.frame_shown();
clan::KeepAlive::process(0);
}
delete effect;
// deinitialize LinearParticle
L_ParticleSystem::deinit();
return 0;
}
int DemoSimple::run(clan::DisplayWindow &window)
{
quit = false;
// Set the window
window.set_title("LinearParticle Example - Simple ");
clan::SlotContainer cc;
// Connect the Window close event
cc.connect(window.sig_window_close(), clan::bind_member(this, &DemoSimple::on_window_close));
// Connect a keyboard handler to on_key_up()
cc.connect(window.get_ic().get_keyboard().sig_key_up(), clan::bind_member(this, &DemoSimple::on_input_up));
// Get the graphic context
clan::Canvas canvas(window);
// initialize LinearParticle
L_ParticleSystem::init();
// create surface to be used for particle and set the alignment
clan::Sprite surface(canvas,"Resources/light16p.png");
surface.set_alignment(clan::origin_center);
// create a sample of particle with life of 5000
L_Particle particle(&surface,5000);
// create dropping effect with period of 16
L_DroppingEffect dropper(0,0,16);
// add the particle to dropper effect
dropper.add(&particle);
// initialize particle effect
dropper.initialize();
float x_pos = 320;
float y_pos = 240;
float x_vel = 3.0f;
float y_vel = 3.0f;
clan::Font font(canvas, "tahoma", 16 );
FramerateCounter frameratecounter;
// Run until someone presses escape
while (!quit)
{
canvas.clear();
x_pos += x_vel;
y_pos += y_vel;
if( x_pos > 640 || x_pos < 0 )
x_vel = -x_vel;
if( y_pos > 480 || y_pos < 0 )
y_vel = -y_vel;
dropper.set_position(x_pos, y_pos);
dropper.trigger();
/* pass frame time to L_ParticleEffect::run(int) for time based system,
a constant number would be a reference time unit for frame based system. */
dropper.run(16);
// draw dropping effect
L_DrawParticle(canvas,dropper);
frameratecounter.show_fps(canvas, font);
window.flip(0); // Set to "1" to lock to screen refresh rate
frameratecounter.frame_shown();
clan::KeepAlive::process(0);
}
// deinitialize LinearParticle
L_ParticleSystem::deinit();
return 0;
}
int DemoMSmall::run(clan::DisplayWindow &window)
{
clan::SlotContainer cc;
window.set_title("LinearParticle Example - MSmall ");
cc.connect(window.sig_window_close(), clan::bind_member(this, &DemoMSmall::on_window_close));
clan::Canvas canvas(window);
cc.connect(window.get_ic().get_keyboard().sig_key_up(), clan::bind_member(this, &DemoMSmall::on_key_up));
// initialize LinearParticle
L_ParticleSystem::init();
// create surface to be used for particle and set the alignment
clan::Sprite surface(canvas, "Resources/small.png");
surface.set_alignment(clan::origin_center);
motion_ctrl.set_speed_limit(0.1); // set max speed of particle
motion_ctrl.set_1d_acceleration(-0.0003); // set deceleration
// create sample of particle
L_Particle particle(&surface,2000);
particle.set_color(L_Color(255,110,60,255));
particle.coloring2(L_Color(255,110,60,255),L_Color(0,200,100,255),0.6);
particle.set_motion_controller(&motion_ctrl); // assign motion cotroller
// create explosion effect
effect = new L_ExplosionEffect(320,240,16,10,12,0.1);
effect->add(&particle);
// apply random life distortion for each emitted particle
effect->set_life_distortion(700);
effect->initialize();
char str[32];
quit = false;
show_menu = true;
clan::Font font(canvas, "Arial", 16 );
FramerateCounter frameratecounter;
clan::ubyte64 last_time = clan::System::get_time();
clan::InputDevice &keyboard = window.get_ic().get_keyboard();
while(!quit)
{
canvas.clear();
static L_REAL x_pos = 320;
static L_REAL y_pos = 240;
L_REAL x_vel = 0;
L_REAL y_vel = 0;
if( keyboard.get_keycode(clan::keycode_up) )
y_vel = -0.2;
else if( keyboard.get_keycode(clan::keycode_down))
y_vel = 0.2;
if( keyboard.get_keycode(clan::keycode_left))
x_vel = -0.2;
else if( keyboard.get_keycode(clan::keycode_right))
x_vel = 0.2;
L_Vector vel;
vel.set( x_vel, y_vel );
clan::ubyte64 current_time = clan::System::get_time();
int time_run = current_time - last_time;
last_time = current_time;
x_pos += x_vel*time_run;
y_pos += y_vel*time_run;
effect->trigger();
effect->set_velocity(vel);
effect->run(time_run);
effect->set_position(x_pos, y_pos);
L_DrawParticle(canvas, effect);
if( show_menu )
{
frameratecounter.show_fps(canvas, font);
sprintf(str,"#Particle : %d", effect->get_particle_num());
font.draw_text(canvas,10,30,str);
font.draw_text(canvas,10,410,"F1 : hide/show menu");
font.draw_text(canvas,10,425,"Space : trigger random sleep");
font.draw_text(canvas,10,440,"Arrow keys : move the effect");
}
window.flip(0); // Set to "1" to lock to screen refresh rate
frameratecounter.frame_shown();
clan::KeepAlive::process(0);
}
delete effect;
// deinitialize LinearParticle
L_ParticleSystem::deinit();
return 0;
}
bool update()
{
if (window.get_keyboard().get_keycode(keycode_escape))
quit = true;
canvas.clear(Colorf(0.5f,0.5f,0.5f));
small_font.draw_text(canvas, 10, 40, "Image From Texture (10,60)");
image_texture.draw(canvas, 10, 60);
small_font.draw_text(canvas, 150, 40, "Image From Load (150,60)");
image_loaded.draw(canvas, 150, 60);
small_font.draw_text(canvas, 300, 40, "Image From Resources (300,60)");
image_resources.draw(canvas, 300, 60);
small_font.draw_text(canvas, 450, 40, "Image Copied (450,60)");
image_copy.draw(canvas, 450, 60);
small_font.draw_text(canvas, 10, 190, "Image - Top Right (10,200)");
image_top_right.draw(canvas, 10, 200);
small_font.draw_text(canvas, 150, 190, "Image - Top Right (150,200)");
image_texture.draw(canvas, Rect(32, 0, Size(32, 32)), Rect(150, 200, Size(32, 32)));
small_font.draw_text(canvas, 300, 190, "Image - Bottom Right (300,200)");
image_bottom_right.draw(canvas, 300, 200);
small_font.draw_text(canvas, 450, 190, "Image - Bottom Right (450,200)");
image_texture.draw(canvas, Rect(32, 32, Size(32, 32)), Rect(450, 200, Size(32, 32)));
small_font.draw_text(canvas, 10, 290, "700 Images (10,300)");
for(int i=0;i<700;i++)
image_texture.draw(canvas, 10, 300);
small_font.draw_text(canvas, 150, 290, "br image (150,400) Size(128,256)");
image_bottom_right.draw(canvas, Rect(150, 300, Size(128, 256)));
small_font.draw_text(canvas, 300, 290, "Image - black");
image_black.draw(canvas, 300, 300);
small_font.draw_text(canvas, 300, 490, "Image - Scale (1.5, 2.5)");
image_texture.set_scale(1.5f, 2.5f);
image_texture.draw(canvas, 300, 500);
image_texture.set_scale(1.0f, 1.0f);
small_font.draw_text(canvas, 450, 460, "Image - Alignment (4 images with 8 pixel offset)");
small_font.draw_text(canvas, 450, 475, "(top left, top right, bottom left, bottom right)");
small_font.draw_text(canvas, 450, 490, "(Circle denotes the draw origin)");
const int offset = 96;
image_texture.set_alignment(origin_top_left, 8, 8);
image_texture.draw(canvas, 450+offset, 500+offset);
image_texture.set_alignment(origin_top_right, -8, 8);
image_texture.draw(canvas, 450+offset, 500+offset);
image_texture.set_alignment(origin_bottom_left, 8, -8);
image_texture.draw(canvas, 450+offset, 500+offset);
image_texture.set_alignment(origin_bottom_right, -8, -8);
image_texture.draw(canvas, 450+offset, 500+offset);
canvas.fill_circle(450+offset, 500+offset, 4, Colorf(1.0f, 1.0f, 1.0f, 0.9f));
small_font.draw_text(canvas, 700, 460, "Image - Center Alignment (4 images with 8 pixel offset)");
small_font.draw_text(canvas, 700, 475, "(top center, right center, bottom center, left center)");
small_font.draw_text(canvas, 700, 490, "(Circle denotes the draw origin)");
image_texture.set_alignment(origin_top_center, 0, 8);
image_texture.draw(canvas, 700+offset, 500+offset);
image_texture.set_alignment(origin_bottom_center, 0, -8);
image_texture.draw(canvas, 700+offset, 500+offset);
image_texture.set_alignment(origin_center_left, 8, 0);
image_texture.draw(canvas, 700+offset, 500+offset);
image_texture.set_alignment(origin_center_right, -8, 0);
image_texture.draw(canvas, 700+offset, 500+offset);
canvas.fill_circle(700+offset, 500+offset, 4, Colorf(1.0f, 1.0f, 1.0f, 0.9f));
small_font.draw_text(canvas, 700, 160, "Image - Center Align (4 images with 64 pixel offset)");
small_font.draw_text(canvas, 700, 175, "Also Includes a centered image (Without offset)");
small_font.draw_text(canvas, 700, 190, "(Circle denotes the draw origin)");
const int center_image_offset = 64;
image_texture.set_alignment(origin_center, 0, 0);
image_texture.draw(canvas, 700+offset, 200+offset);
image_texture.set_alignment(origin_center, 0, center_image_offset);
image_texture.draw(canvas, 700+offset, 200+offset);
image_texture.set_alignment(origin_center, 0, -center_image_offset);
image_texture.draw(canvas, 700+offset, 200+offset);
image_texture.set_alignment(origin_center, center_image_offset, 0);
image_texture.draw(canvas, 700+offset, 200+offset);
image_texture.set_alignment(origin_center, -center_image_offset, 0);
image_texture.draw(canvas, 700+offset, 200+offset);
canvas.fill_circle(700+offset, 200+offset, 4, Colorf(1.0f, 1.0f, 1.0f, 0.9f));
// Restore alignment
image_texture.set_alignment(origin_top_left, 0, 0);
dump_fps();
window.flip(1);
return !quit;
}