diff options
Diffstat (limited to 'tests/RenderScriptTests/Fountain_v11/src/com/android/fountain/fountain.rs')
-rw-r--r-- | tests/RenderScriptTests/Fountain_v11/src/com/android/fountain/fountain.rs | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tests/RenderScriptTests/Fountain_v11/src/com/android/fountain/fountain.rs b/tests/RenderScriptTests/Fountain_v11/src/com/android/fountain/fountain.rs new file mode 100644 index 0000000..3b6c89a --- /dev/null +++ b/tests/RenderScriptTests/Fountain_v11/src/com/android/fountain/fountain.rs @@ -0,0 +1,69 @@ +// Fountain test script +#pragma version(1) + +#pragma rs java_package_name(com.android.fountain_v11) + +#pragma stateFragment(parent) + +#include "rs_graphics.rsh" + +static int newPart = 0; +rs_mesh partMesh; + +typedef struct __attribute__((packed, aligned(4))) Point { + float2 delta; + float2 position; + uchar4 color; +} Point_t; +Point_t *point; + +int root() { + float dt = min(rsGetDt(), 0.1f); + rsgClearColor(0.f, 0.f, 0.f, 1.f); + const float height = rsgGetHeight(); + const int size = rsAllocationGetDimX(rsGetAllocation(point)); + float dy2 = dt * (10.f); + Point_t * p = point; + for (int ct=0; ct < size; ct++) { + p->delta.y += dy2; + p->position += p->delta; + if ((p->position.y > height) && (p->delta.y > 0)) { + p->delta.y *= -0.3f; + } + p++; + } + + rsgDrawMesh(partMesh); + return 1; +} + +static float4 partColor[10]; +void addParticles(int rate, float x, float y, int index, bool newColor) +{ + if (newColor) { + partColor[index].x = rsRand(0.5f, 1.0f); + partColor[index].y = rsRand(1.0f); + partColor[index].z = rsRand(1.0f); + } + float rMax = ((float)rate) * 0.02f; + int size = rsAllocationGetDimX(rsGetAllocation(point)); + uchar4 c = rsPackColorTo8888(partColor[index]); + + Point_t * np = &point[newPart]; + float2 p = {x, y}; + while (rate--) { + float angle = rsRand(3.14f * 2.f); + float len = rsRand(rMax); + np->delta.x = len * sin(angle); + np->delta.y = len * cos(angle); + np->position = p; + np->color = c; + newPart++; + np++; + if (newPart >= size) { + newPart = 0; + np = &point[newPart]; + } + } +} + |