templeos-info/public/Wb/Apps/Span/SpanBridge.HC

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2024-03-16 10:26:19 +00:00
#define STRENGTH_SCALE 1.5e7
#define SPRING_SCALE 6.0e6
#define COST_SCALE 375.0
#define MASS_RADIUS 3.0
#define MASS_MASS 10.0
#define WIRE_PERCENT 0.99
#define RIVER_BANK_COLS 5
#define SKY_LINES 40
#define FIXED_X1 ((RIVER_BANK_COLS-1)*FONT_WIDTH)
#define FIXED_X2 ((RIVER_BANK_COLS-4)*FONT_WIDTH)
#define FIXED_X3 (TEXT_COLS*FONT_WIDTH>>1)
#define FIXED_Y1 ((SKY_LINES+1)*FONT_HEIGHT)
#define FIXED_Y2 ((SKY_LINES+5)*FONT_HEIGHT)
#define FIXED_Y3 ((TEXT_ROWS-8)*FONT_HEIGHT)
#define LOAD_WEIGHTS 8
U0 SpanBridge1Init(CMathODE *)
{
I64 i;
MyMass *tmpm;
tmpm=PlaceMass(GR_WIDTH-FIXED_X1,FIXED_Y1);
tmpm->flags|=MSF_FIXED;
tmpm=PlaceMass(GR_WIDTH-FIXED_X2,FIXED_Y1);
tmpm->flags|=MSF_FIXED;
tmpm=PlaceMass(GR_WIDTH-FIXED_X1,FIXED_Y2);
tmpm->flags|=MSF_FIXED;
tmpm=PlaceMass(FIXED_X1,FIXED_Y1);
tmpm->flags|=MSF_FIXED;
tmpm=PlaceMass(FIXED_X2,FIXED_Y1);
tmpm->flags|=MSF_FIXED;
tmpm=PlaceMass(FIXED_X1,FIXED_Y2);
tmpm->flags|=MSF_FIXED;
tmpm=PlaceMass(FIXED_X3,FIXED_Y3);
tmpm->flags|=MSF_FIXED;
for (i=0;i<LOAD_WEIGHTS;i++) {
tmpm=PlaceMass(FIXED_X1+(i+1)*(GR_WIDTH-2*FIXED_X1)/(LOAD_WEIGHTS+1),
FIXED_Y1);
tmpm->load_t=(i+1.0)/LOAD_WEIGHTS;
tmpm->color=RED;
}
DocClear;
"$$BG,LTCYAN$$%h*c",SKY_LINES,'\n';
for (i=0;i<10;i++) {
"$$BG,BROWN$$%h*c",RIVER_BANK_COLS,CH_SPACE;
"$$BG,LTCYAN$$%h*c",TEXT_COLS-2*RIVER_BANK_COLS,CH_SPACE;
"$$BG,BROWN$$%h*c\n",RIVER_BANK_COLS,CH_SPACE;
}
for (i=0;i<5;i++) {
"$$BG,BROWN$$%h*c",RIVER_BANK_COLS+i,CH_SPACE;
"$$BG,BLUE$$%h*c",TEXT_COLS/2-RIVER_BANK_COLS-2*i,CH_SPACE;
"$$BG,BROWN$$%h*c",2*i,CH_SPACE;
"$$BG,BLUE$$%h*c",TEXT_COLS/2-RIVER_BANK_COLS-2*i,CH_SPACE;
"$$BG,BROWN$$%h*c\n",RIVER_BANK_COLS+i,CH_SPACE;
}
}
U0 AdjustLoads(CMathODE *ode)
{
MyMass *tmpm=ode->next_mass;
F64 d,tt=SpanTime/10.0;
while (tmpm!=&ode->next_mass) {
if (tmpm->load_t) {
if (tt) {
d=Abs(Sin(tmpm->load_t*<EFBFBD>+tt)); //0.0<=d<=1.0
tmpm->mass=100.0*Sqr(Sqr(d+1.0));
tmpm->radius=7.0*d+2.0;
} else {
tmpm->mass=MASS_MASS;
tmpm->radius=MASS_RADIUS;
}
}
tmpm=tmpm->next;
}
}