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#include "AnimationInterpolate.h"
#include "AnimationObject.h"
#include "AnimationMove.h"
#include <string.h>
#define NUM_INTERPOLATE(a, b, perc) (a * (1.0 - (perc)) + b * (perc))
color
colorInterpolate(color ina, color inb, double percentage) {
ARGB a, b;
ARGB_set(&a, ina);
ARGB_set(&b, inb);
a.a = NUM_INTERPOLATE(a.a, b.a, percentage);
a.r = NUM_INTERPOLATE(a.r, b.r, percentage);
a.g = NUM_INTERPOLATE(a.g, b.g, percentage);
a.b = NUM_INTERPOLATE(a.b, b.b, percentage);
return a.a << 24 | a.r << 16 | a.g << 8 | a.b;
}
ARGB
A_Interpolate(const Animation* anim, PixelRendererParams a) {
struct A_Interpolate in = *(struct A_Interpolate*)a.priv;
if (in.interpolate == NULL) {
fprintf(stderr, "Interpolation function cannot be NULL!\n");
ARGB_set(&a.pixel, 0xFFFF00FF);
return a.pixel;
}
if (a.frame.current == a.frame.start) {
memcpy(in.initialValueTemp, in.value, in.initialValueTempSize);
}
double perc = (double)(a.frame.current - a.frame.start) / (a.frame.end - a.frame.start);
if (perc < 0.0) perc = 0.0;
if (perc > 1.0) perc = 1.0;
in.interpolate(in.value, in.initialValueTemp, in.goalValue, perc);
return a.pixel;
}
void
AO_LineInterpolate(void* valueLine, const void* initialLine, const void* finalLine, double percentage) {
struct AO_Line* value = valueLine;
const struct AO_Line* initial = initialLine, *final = finalLine;
value->a = NUM_INTERPOLATE(initial->a, final->a, percentage);
value->b = NUM_INTERPOLATE(initial->b, final->b, percentage);
value->c = NUM_INTERPOLATE(initial->c, final->c, percentage);
value->width = NUM_INTERPOLATE(initial->width, final->width, percentage);
value->color = colorInterpolate(initial->color, final->color, percentage);
}
void
AM_LinearInterpolate(void* valueIn, const void* initialIn, const void* finalIn, double percentage) {
struct AM_Linear* value = valueIn;
const struct AM_Linear* initial = initialIn, *final = finalIn;
value->startRow = NUM_INTERPOLATE(initial->startRow, final->startRow, percentage);
value->startCol = NUM_INTERPOLATE(initial->startCol, final->startCol, percentage);
value->dRow = NUM_INTERPOLATE(initial->dRow, final->dRow, percentage);
value->dCol = NUM_INTERPOLATE(initial->dCol, final->dCol, percentage);
value->wrapCoordinates = NUM_INTERPOLATE(initial->wrapCoordinates, final->wrapCoordinates, percentage);
}
void
AM_SpinInterpolate(void* valueIn, const void* initialIn, const void* finalIn, double percentage) {
struct AM_Spin* value = valueIn;
const struct AM_Spin* initial = initialIn, *final = finalIn;
value->theta = NUM_INTERPOLATE(initial->theta, final->theta, percentage);
value->dTheta = NUM_INTERPOLATE(initial->dTheta, final->dTheta, percentage);
value->centerRow = NUM_INTERPOLATE(initial->centerRow, final->centerRow, percentage);
value->centerCol = NUM_INTERPOLATE(initial->centerCol, final->centerCol, percentage);
}
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