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#pragma version(1)
#pragma rs java_package_name(com.android.phasebeam)
#include "rs_graphics.rsh"
#pragma stateVertex(parent);
#pragma stateStore(parent);
rs_allocation textureDot;
rs_allocation textureBeam;
rs_program_vertex vertBg;
rs_program_fragment fragBg;
rs_program_vertex vertDots;
rs_program_fragment fragDots;
static int numBeamParticles;
static int numDotParticles;
typedef struct __attribute__((packed, aligned(4))) Particle {
float3 position;
float offsetX;
} Particle_t;
typedef struct VpConsts {
rs_matrix4x4 MVP;
float scaleSize;
} VpConsts_t;
VpConsts_t *vpConstants;
typedef struct VertexColor_s {
float3 position;
float offsetX;
float4 color;
} VertexColor;
VertexColor* vertexColors;
Particle_t *dotParticles;
Particle_t *beamParticles;
rs_mesh dotMesh;
rs_mesh beamMesh;
rs_mesh gBackgroundMesh;
float densityDPI;
float xOffset = 0.5;
static float screenWidth;
static float screenHeight;
static float halfScreenWidth;
static float quarterScreenWidth;
static float quarterScreenHeight;
static float halfScreenHeight;
static float newOffset = 0.5;
static float oldOffset = 0.5;
void positionParticles(){
screenWidth = rsgGetWidth();
screenHeight = rsgGetHeight();
halfScreenWidth = screenWidth/2.0f;
halfScreenHeight = screenHeight/2.0f;
quarterScreenWidth = screenWidth/4.0f;
quarterScreenHeight = screenHeight/4.0f;
Particle_t* particle = dotParticles;
numDotParticles = rsAllocationGetDimX(rsGetAllocation(dotParticles));
for(int i=0; i<numDotParticles; i++){
particle->position.x = rsRand(0.0f, 3.0f);
particle->position.y = rsRand(-1.25f, 1.25f);
float z;
if(i < 3){
z = 14.0f;
} if(i < 7){
z = 25.0f;
} else if(i < 4){
z = rsRand(10.f, 20.f);
} else if(i == 10){
z = 24.0f;
particle->position.x = 1.0;
} else {
z = rsRand(4.0f, 10.0f);
}
particle->position.z = z;
particle->offsetX = 0;
particle++;
}
Particle_t* beam = beamParticles;
numBeamParticles = rsAllocationGetDimX(rsGetAllocation(beamParticles));
for(int i=0; i<numBeamParticles; i++){
float z;
if(i < 20){
z = rsRand(4.0f, 10.0f)/2.0f;
} else {
z = rsRand(4.0f, 35.0f)/2.0f;
}
beamParticles->position.x = rsRand(-1.25f, 1.25f);
beamParticles->position.y = rsRand(-1.05f, 1.205f);
beamParticles->position.z = z;
beamParticles->offsetX = 0;
beamParticles++;
}
}
int root(){
newOffset = xOffset*2;
rsgClearColor(0.0f, 0.f, 0.f,1.0f);
VertexColor* vert = vertexColors;
for(int i=0; i<48; i++){
vert->offsetX = -xOffset/2.0;
vert++;
}
rsgBindProgramVertex(vertBg);
rsgBindProgramFragment(fragBg);
rsgDrawMesh(gBackgroundMesh);
Particle_t* beam = beamParticles;
Particle_t* particle = dotParticles;
for(int i=0; i<numDotParticles; i++){
if(newOffset==oldOffset){
if(beam->position.x/beam->position.z > 0.5){
beam->position.x = -1.0;
}
if(particle->position.x/particle->position.z > 0.5){
particle->position.x = -1.0;
}
if(beam->position.y > 1.05){
beam->position.y = -1.05;
beam->position.x = rsRand(-1.25f, 1.25f);
} else {
beam->position.y = beam->position.y + 0.000160*beam->position.z;
}
if(particle->position.y > 1.25){
particle->position.y = -1.25;
particle->position.x = rsRand(0.0f, 3.0f);
} else {
particle->position.y = particle->position.y + 0.00022*particle->position.z;
}
}
beam->position.x = beam->position.x + 0.0001010*beam->position.z;
beam->offsetX = newOffset;
beam++;
particle->offsetX = newOffset;
particle->position.x = particle->position.x + 0.0001560*beam->position.z;
particle++;
}
rsgBindProgramVertex(vertDots);
rsgBindProgramFragment(fragDots);
rsgBindTexture(fragDots, 0, textureBeam);
rsgDrawMesh(beamMesh);
rsgBindTexture(fragDots, 0, textureDot);
rsgDrawMesh(dotMesh);
oldOffset = newOffset;
return 55;
}
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