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;
}
void Timing::draw_graphics(clan::Canvas &canvas, float time_delta)
{
int gc_width = canvas.get_width();
std::vector<Star>::size_type max, cnt;
max = stars.size();
for (cnt=0; cnt<max; cnt++)
{
float xpos = stars[cnt].xpos;
xpos += time_delta * stars[cnt].speed;
if (xpos >= gc_width)
xpos -= (gc_width + 8);
stars[cnt].xpos = xpos;
canvas.fill_circle(xpos, stars[cnt].ypos, 6.0f, stars[cnt].color);
}
}
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;
}