54 lines
1020 B
C++
54 lines
1020 B
C++
#include "../include/cars.h"
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#include "../include/camera.h"
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#include <stdint.h>
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#include <vector>
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#include "../include/segment.h"
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#include "../parameters.h"
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#include "../include/circuit.h"
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extern std::vector<Segment*> circuit;
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Cars::Cars()
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{
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//ctor
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}
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Cars::~Cars()
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{
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//dtor
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}
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Cars::Cars( float x, double z, uint8_t s, uint8_t t )
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{
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wX = x;
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wZ = z;
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Speed = s;
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Type = t;
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X = 0;
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}
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void Cars::Project3DFP( camera* c, uint16_t index )
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{
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fixed_t DX = fix(wX*ROAD_WIDTH) - c->cX;
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fixed_t DY = interpolatePositionY(wZ) - c->cY;
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fixed_t divDZ = fdiv( fix(1), (fixdouble(wZ) - c->cZ));
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fixed_t divAR = fdiv(fix(1), fixdouble(ASPECT_RATIO));
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fixed_t Scale = fmul(fixdouble(DISTANCE_SCREEN), divDZ);
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fixed_t tempx = fmul(fmul(DX,Scale), divAR);
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fixed_t tempy = fmul(DY, Scale);
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fixed_t sX=fmul(fix(SCREEN_CX), (fix(1)+tempx));
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fixed_t sY=fmul(fix(SCREEN_CY), (fix(1)-tempy));
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X = fround(sX) + circuit[ index ]->CumulatedCurve;
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Y = fround(sY);
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}
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