TestWindow(int w, int h,
char const* const* files, int fileCount,
bool doCircles, bool doFade, ShapeFactory fact,
int repeat) : GXWindow(w, h) {
fDoOpaque = true;
fStartTime = GTime::GetMSec();
fCounter = 0;
GRandom rand;
fBitmapCount = 0;
fBitmaps = new GBitmap[fileCount];
for (int i = 0; i < fileCount; ++i) {
if (GReadBitmapFromFile(files[i], &fBitmaps[i])) {
fBitmapCount += 1;
if (doCircles) {
fill_circle(fBitmaps[i]);
}
} else {
fprintf(stderr, "failed to decode %s\n", files[i]);
}
}
fShapeCount = fBitmapCount * repeat;
fShapes = new Shape*[fShapeCount];
float speed = 300;
for (int i = 0; i < fShapeCount; ++i) {
fShapes[i] = fact(fBitmaps[i % fBitmapCount], w/2, h/2);
fShapes[i]->setup(rand.nextF() * speed,
rand.nextF() * speed,
doFade ? rand.nextF() : 0);
}
}
PolyShape(const GBitmap& bm, int x, int y) : Shape(x, y) {
fCount = gRand.nextRange(3, 20);
fPts = new GPoint[fCount];
float scaleX = bm.width() * .5f;
float scaleY = bm.height() * .5f;
for (int i = 0; i < fCount; ++i) {
float angle = i * 2 * 3.14159265359 / fCount;
float sv, cv;
cv = cos_sin(angle, &sv);
fPts[i].set(scaleX * sv, scaleY * cv);
}
fPaint.setRGB(gRand.nextF(), gRand.nextF(), gRand.nextF());
}
Shape(float x, float y) : fX(x), fY(y), fA(1) {
fPrevTime = GTime::GetMSec();
if (gRand.nextF() > 0.5) {
fFlipX = -1;
} else {
fFlipX = 1;
}
if (gRand.nextF() > 0.5) {
fFlipY = -1;
} else {
fFlipY = 1;
}
fScale = 1;
if (gAnimateScale) {
fDScale = (gRand.nextF() * 2 - 1) * 0.5f;
} else {
fDScale = 0;
}
fRad = 0;
fDRad = gAnimateRad ? gRand.nextF() * 0.05f : 0;
}
TriShape(const GBitmap& bm, int x, int y) : Shape(x, y) {
for (int i = 0; i < 3; ++i) {
rand_pt(&fPts[i]);
}
fPaint.setRGB(gRand.nextF(), gRand.nextF(), gRand.nextF());
}
RectShape(const GBitmap& bm, int x, int y) : Shape(x, y) {
fRect.setXYWH(x, y, bm.width(), bm.height());
fRect.offset(-fRect.centerX(), -fRect.centerY());
fPaint.setRGB(gRand.nextF(), gRand.nextF(), gRand.nextF());
}
static void rand_pt(GPoint* p) {
p->set((gRand.nextF() * 2 - 1) * 100,
(gRand.nextF() * 2 - 1) * 100);
}
static GColor rand_color() {
return GColor::MakeARGB(0.5f, gRand.nextF(), gRand.nextF(), gRand.nextF());
}
