void drawRgnOped(SkCanvas* canvas, SkRegion::Op op, SkColor color)
{
SkAAClip clip;
this->build_rgn(&clip, op);
this->drawOrig(canvas, true);
SkPaint paint;
paint.setColor((color & ~(0xFF << 24)) | (0x44 << 24));
paint_rgn(canvas, clip, paint);
paint.setStyle(SkPaint::kStroke_Style);
paint.setColor(color);
paint_rgn(canvas, clip, paint);
SkAAClip clip2(clip);
clip2.translate(0, 80);
outer_frame(canvas, clip2.getBounds());
paint_rgn(canvas, clip2, paint);
}
static void ferris_wheel(double x, double y , double z, double size)
{
double pi = M_PI;
double step = 2*pi/10;
double r = 3;
int i;
// Draw passenger_boxes
glPushMatrix();
glTranslated(x,y,z);
glScaled(size,size,size);
for (i=0;i<10;i++)
{
double passenger_box_x = r * cos(i*step+rotation);
double passenger_box_y = r * sin(i*step+rotation);
passenger_box(passenger_box_x, passenger_box_y,0 , 0.3,0.3,0.3 , 0);
}
// Draw Circle
outer_frame(0, 0, -0.31, r, 10, step);
outer_frame(0, 0, 0.31, r, 10, step);
// Draw the spokes
glColor3f(0.5,0.5,0.5);
double conversion = 180/pi;
int current_spoke;
int num_spokes = spokes;
double offset = 0;
for(current_spoke = 0; current_spoke < num_spokes; current_spoke++)
{
offset = current_spoke*(180/num_spokes);
beam(0,0,-0.3, r-0.1, 0.1, 0.1,offset + conversion*rotation, offset+conversion*rotation, 0);
beam(0,0,0.3, r-0.1, 0.1, 0.1,offset + conversion*rotation, offset+conversion*rotation, 0);
}
// center axis
glColor3f(0.2,0.5,0.2);
beam(0,0,0, 1, 0.1, 0.1, 90, 0, 0);
// braces
glColor3f(0.2,0.2,0.5);
beam(1.7,-1.7,-1, 2.5, 0.1, 0.1, 135, 135, 0);
beam(-1.7,-1.7,-1, 2.5, 0.1, 0.1, 45, 45, 0);
beam(1.7,-1.7,1, 2.5, 0.1, 0.1, 135, 135, 0);
beam(-1.7,-1.7,1, 2.5, 0.1, 0.1, 45, 45, 0);
if(num_lights){
int spacing;
r = r-0.1;
num_spokes = num_spokes*2;
double x_angle, y_angle, radius;
for(current_spoke = 0; current_spoke < num_spokes; current_spoke++)
{
offset = current_spoke*2*pi/num_spokes;
for(spacing = 1; spacing < num_lights+1; spacing++)
{
// light(spacing*r*cos(offset + rotation)/num_lights,
// spacing*r*sin(offset + rotation)/num_lights, 0.35, 0.1, 90, 270);
radius = spacing*r/num_lights;
x_angle = cos(offset + rotation);
y_angle = sin(offset + rotation);
light(radius*x_angle, radius*y_angle, 0.35, 0.1, 0, 180);
light(radius*x_angle, radius*y_angle, -0.35, 0.1, -180, 0);
}
}
}
glPopMatrix();
}
