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Merge change 23583 into eclair

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* changes:
  Update fountain to use structures.
This commit is contained in:
Android (Google) Code Review
2009-09-01 20:42:19 -07:00
parent c937b5ce4f 44e9983ffc
commit f4cca783df
1 changed files with 14 additions and 15 deletions
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29
libs/rs/java/Fountain/res/raw/fountain.c
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@@ -4,45 +4,44 @@
#pragma stateFragment(default) #pragma stateFragment(default)
#pragma stateFragmentStore(default) #pragma stateFragmentStore(default)
struct PartStruct {float dx; float dy; float x; float y; int c;};
int newPart = 0;
int main(int launchID) { int main(int launchID) {
int ct; int ct;
int count = Control_count - 1; int count = Control_count - 1;
int rate = Control_rate; int rate = Control_rate;
float *dataF = loadArrayF(1, 0);
float height = getHeight(); float height = getHeight();
struct PartStruct * p = (struct PartStruct *)loadArrayF(1, 0);
if (rate) { if (rate) {
int *dataI = loadArrayI32(1, 0);
float rMax = ((float)rate) * 0.005f; float rMax = ((float)rate) * 0.005f;
int x = Control_x; int x = Control_x;
int y = Control_y; int y = Control_y;
int newPart = loadI32(1, count * 5);
int c = colorFloatRGBAtoUNorm8(Control_r, Control_g, Control_b, 0.99f); int c = colorFloatRGBAtoUNorm8(Control_r, Control_g, Control_b, 0.99f);
while (rate--) { while (rate--) {
int idx = newPart * 5; vec2Rand((float *)(p + newPart), rMax);
vec2Rand(dataF + idx, rMax); p[newPart].x = x;
dataF[idx + 2] = x; p[newPart].y = y;
dataF[idx + 3] = y; p[newPart].c = c;
dataI[idx + 4] = c;
newPart++; newPart++;
if (newPart >= count) { if (newPart >= count) {
newPart = 0; newPart = 0;
} }
} }
storeI32(1, count * 5, newPart);
} }
for (ct=0; ct < count; ct++) { for (ct=0; ct < count; ct++) {
float dy = dataF[1] + 0.15f; float dy = p->dy + 0.15f;
float posy = dataF[3] + dy; float posy = p->y + dy;
if ((posy > height) && (dy > 0)) { if ((posy > height) && (dy > 0)) {
dy *= -0.3f; dy *= -0.3f;
} }
dataF[1] = dy; p->dy = dy;
dataF[2] += dataF[0]; p->x += p->dx;
dataF[3] = posy; p->y = posy;
dataF += 5; p++;
} }
uploadToBufferObject(NAMED_PartBuffer); uploadToBufferObject(NAMED_PartBuffer);