74 lines
1.6 KiB
Rust
74 lines
1.6 KiB
Rust
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// Fountain test script
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#pragma version(1)
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#include "rs_types.rsh"
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#include "rs_math.rsh"
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#include "rs_graphics.rsh"
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static int newPart = 0;
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typedef struct Control_s {
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int x, y;
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int rate;
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int count;
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float r, g, b;
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rs_allocation partBuffer;
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rs_mesh partMesh;
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} Control_t;
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Control_t *Control;
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typedef struct Point_s{
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float2 delta;
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float2 position;
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unsigned int color;
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} Point_t;
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Point_t *point;
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int main(int launchID) {
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int ct;
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int count = Control->count;
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int rate = Control->rate;
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float height = getHeight();
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Point_t * p = point;
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if (rate) {
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float rMax = ((float)rate) * 0.005f;
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int x = Control->x;
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int y = Control->y;
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int color = ((int)(Control->r * 255.f)) |
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((int)(Control->g * 255.f)) << 8 |
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((int)(Control->b * 255.f)) << 16 |
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(0xf0 << 24);
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Point_t * np = &p[newPart];
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while (rate--) {
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np->delta = vec2Rand(rMax);
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np->position.x = x;
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np->position.y = y;
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np->color = color;
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newPart++;
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np++;
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if (newPart >= count) {
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newPart = 0;
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np = &p[newPart];
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}
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}
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}
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for (ct=0; ct < count; ct++) {
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float dy = p->delta.y + 0.15f;
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float posy = p->position.y + dy;
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if ((posy > height) && (dy > 0)) {
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dy *= -0.3f;
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}
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p->delta.y = dy;
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p->position.x += p->delta.x;
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p->position.y = posy;
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p++;
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}
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uploadToBufferObject(Control->partBuffer);
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drawSimpleMesh(Control->partMesh);
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return 1;
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}
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