// called by AppThreadFunction
// called after VRAPI_FRAME_INIT_LOADING_ICON_FLUSH
public void ovrScene_Create()
{
// 864
ConsoleExtensions.trace("enter ovrScene_Create, invoke ovrProgram_Create, ovrGeometry_CreateCube");
var vert = new Shaders.VrCubeWorldVertexShader();
var frag = new Shaders.VrCubeWorldFragmentShader();
this.Program.ovrProgram_Create(
// jsc should keep typeinfo/virtal function pointer table tagged on objects?
vert.ToString(),
frag.ToString()
);
this.Cube.ovrGeometry_CreateCube();
// Create the instance transform attribute buffer.
gl3.glGenBuffers(1, out this.InstanceTransformBuffer0);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, this.InstanceTransformBuffer0);
gl3.glBufferData(gl3.GL_ARRAY_BUFFER, NUM_INSTANCES * 4 * 4 * sizeof(float), null, gl3.GL_DYNAMIC_DRAW);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, 0);
gl3.glGenBuffers(1, out this.InstanceTransformBuffer1);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, this.InstanceTransformBuffer1);
gl3.glBufferData(gl3.GL_ARRAY_BUFFER, NUM_INSTANCES1 * 4 * 4 * sizeof(float), null, gl3.GL_DYNAMIC_DRAW);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, 0);
#region init data
// Setup random cube positions and rotations.
for (int i = 0; i < NUM_INSTANCES; i++)
{
// Using volatile keeps the compiler from optimizing away multiple calls to drand48().
//volatile float rx; ry, rz;
float rx = 0, ry = 0, rz = 0;
rx = 2.0f * (((i / floors) / floorwidth) - floors);
rz = 2.0f * (((i / floors) % floorwidth) - floors);
ry = (i % floors - 1.0f) * 0.6f;
//// can we offset the thing?
//rx = (float)(stdlib_h.drand48() - 0.5f) * (5.0f + (float)Math.Sqrt(NUM_INSTANCES));
//// ah its only done once?
////rx += com.oculus.gles3jni.GLES3JNILib.fields_xvalue;
//ry = (float)(stdlib_h.drand48() - 0.5f) * (5.0f + (float)Math.Sqrt(NUM_INSTANCES));
//// cool now we have a set of cubes in front of us.
////rz = (float)(stdlib_h.drand48() - 1.5f) * (15.0f + (float)Math.Sqrt(NUM_INSTANCES));
//rz = (float)(stdlib_h.drand48() - 1.5f) * (10.0f + (float)Math.Sqrt(NUM_INSTANCES));
//rz = (float)(stdlib_h.drand48() - 0.5f) * (15.0f + (float)Math.Sqrt(NUM_INSTANCES));
// how do we record our changes?
// https://sites.google.com/a/jsc-solutions.net/work/knowledge-base/15-dualvr/20150629/mod
// keep the original around
this.CubePositions0[i].x = rx;
this.CubePositions0[i].y = ry;
this.CubePositions0[i].z = rz;
// for the offset
this.CubePositions[i].x = rx;
this.CubePositions[i].y = ry;
this.CubePositions[i].z = rz;
//ConsoleExtensions.tracei("ovrScene_Create CubePositions i: ", insert);
//this.CubeRotations[i].x = (float)stdlib_h.drand48();
//this.CubeRotations[i].y = (float)stdlib_h.drand48();
//this.CubeRotations[i].z = (float)stdlib_h.drand48();
}
#endregion
this.CreatedScene = true;
this.ovrScene_CreateVAOs();
// elapsed?
ConsoleExtensions.tracei("exit ovrScene_Create NUM_INSTANCES: ", NUM_INSTANCES);
}
// called by AppThreadFunction
// called after VRAPI_FRAME_INIT_LOADING_ICON_FLUSH
public void ovrScene_Create()
{
// 864
ConsoleExtensions.trace("enter ovrScene_Create, invoke ovrProgram_Create, ovrGeometry_CreateCube");
var vert = new Shaders.VrCubeWorldVertexShader();
var frag = new Shaders.VrCubeWorldFragmentShader();
this.Program.ovrProgram_Create(
vert.ToString(),
frag.ToString()
);
this.Cube.ovrGeometry_CreateCube();
// Create the instance transform attribute buffer.
gl3.glGenBuffers(1, out this.InstanceTransformBuffer);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, this.InstanceTransformBuffer);
gl3.glBufferData(gl3.GL_ARRAY_BUFFER, NUM_INSTANCES * 4 * 4 * sizeof(float), null, gl3.GL_DYNAMIC_DRAW);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, 0);
// Setup random cube positions and rotations.
for (int i = 0; i < NUM_INSTANCES; i++)
{
// Using volatile keeps the compiler from optimizing away multiple calls to drand48().
//volatile float rx; ry, rz;
float rx = 0, ry = 0, rz = 0;
rx = 2.0f * (((i / floors) / 8) - floors);
rz = 2.0f * (((i / floors) % 8) - floors);
ry = (i % floors - 1.0f) * 0.6f;
//// can we offset the thing?
//rx = (float)(stdlib_h.drand48() - 0.5f) * (5.0f + (float)Math.Sqrt(NUM_INSTANCES));
//// ah its only done once?
////rx += com.oculus.gles3jni.GLES3JNILib.fields_xvalue;
//ry = (float)(stdlib_h.drand48() - 0.5f) * (5.0f + (float)Math.Sqrt(NUM_INSTANCES));
//// cool now we have a set of cubes in front of us.
////rz = (float)(stdlib_h.drand48() - 1.5f) * (15.0f + (float)Math.Sqrt(NUM_INSTANCES));
//rz = (float)(stdlib_h.drand48() - 1.5f) * (10.0f + (float)Math.Sqrt(NUM_INSTANCES));
//rz = (float)(stdlib_h.drand48() - 0.5f) * (15.0f + (float)Math.Sqrt(NUM_INSTANCES));
// how do we record our changes?
// https://sites.google.com/a/jsc-solutions.net/work/knowledge-base/15-dualvr/20150629/mod
// keep the original around
this.CubePositions0[i].x = rx;
this.CubePositions0[i].y = ry;
this.CubePositions0[i].z = rz;
// for the offset
this.CubePositions[i].x = rx;
this.CubePositions[i].y = ry;
this.CubePositions[i].z = rz;
//ConsoleExtensions.tracei("ovrScene_Create CubePositions i: ", insert);
//this.CubeRotations[i].x = (float)stdlib_h.drand48();
//this.CubeRotations[i].y = (float)stdlib_h.drand48();
//this.CubeRotations[i].z = (float)stdlib_h.drand48();
}
this.CreatedScene = true;
this.ovrScene_CreateVAOs();
// elapsed?
ConsoleExtensions.tracei("exit ovrScene_Create NUM_INSTANCES: ", NUM_INSTANCES);
}
// called by AppThreadFunction
// called after VRAPI_FRAME_INIT_LOADING_ICON_FLUSH
public void ovrScene_Create()
{
// 864
ConsoleExtensions.trace("enter ovrScene_Create, invoke ovrProgram_Create, ovrGeometry_CreateCube");
var vert = new Shaders.VrCubeWorldVertexShader();
var frag = new Shaders.VrCubeWorldFragmentShader();
this.Program.ovrProgram_Create(
vert.ToString(),
frag.ToString()
);
this.Cube.ovrGeometry_CreateCube();
// Create the instance transform attribute buffer.
gl3.glGenBuffers(1, out this.InstanceTransformBuffer);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, this.InstanceTransformBuffer);
gl3.glBufferData(gl3.GL_ARRAY_BUFFER, NUM_INSTANCES * 4 * 4 * sizeof(float), null, gl3.GL_DYNAMIC_DRAW);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, 0);
// Setup random cube positions and rotations.
for (int i = 0; i < NUM_INSTANCES; i++)
{
// Using volatile keeps the compiler from optimizing away multiple calls to drand48().
//volatile float rx; ry, rz;
float rx = 0, ry = 0, rz = 0;
//for (; ; )
var notfound = true;
while (notfound)
{
rx = (float)(stdlib_h.drand48() - 0.5f) * (50.0f + (float)Math.Sqrt(NUM_INSTANCES));
ry = (float)(stdlib_h.drand48() - 0.5f) * (50.0f + (float)Math.Sqrt(NUM_INSTANCES));
rz = (float)(stdlib_h.drand48() - 0.5f) * (1500.0f + (float)Math.Sqrt(NUM_INSTANCES));
// If too close to 0,0,0
var too_closex = Math.Abs(rx) < 4.0f;
var too_closey = Math.Abs(ry) < 4.0f;
var too_closez = Math.Abs(rz) < 4.0f;
if (too_closex)
if (too_closey)
if (too_closez)
{
continue;
}
// Test for overlap with any of the existing cubes.
bool overlap = false;
for (int j = 0; j < i; j++)
{
if (Math.Abs(rx - this.CubePositions[j].x) < 4.0f)
if (Math.Abs(ry - this.CubePositions[j].y) < 4.0f)
if (Math.Abs(rz - this.CubePositions[j].z) < 4.0f)
{
overlap = true;
break;
}
}
if (!overlap)
{
//break;
notfound = false;
}
}
// Insert into list sorted based on distance.
int insert = 0;
float distSqr = rx * rx + ry * ry + rz * rz;
for (int j = i; j > 0; j--)
{
var otherDistSqr = default(float);
// fixed/break does a try/finally to zero out the pointer
fixed (ovrVector3f* otherPos = &this.CubePositions[j - 1])
otherDistSqr = otherPos->x * otherPos->x + otherPos->y * otherPos->y + otherPos->z * otherPos->z;
if (distSqr > otherDistSqr)
{
insert = j;
break;
}
this.CubePositions[j] = this.CubePositions[j - 1];
this.CubeRotations[j] = this.CubeRotations[j - 1];
}
this.CubePositions[insert].x = rx;
this.CubePositions[insert].y = ry;
this.CubePositions[insert].z = rz;
//ConsoleExtensions.tracei("ovrScene_Create CubePositions i: ", insert);
this.CubeRotations[insert].x = (float)stdlib_h.drand48();
this.CubeRotations[insert].y = (float)stdlib_h.drand48();
this.CubeRotations[insert].z = (float)stdlib_h.drand48();
}
this.CreatedScene = true;
this.ovrScene_CreateVAOs();
// elapsed?
ConsoleExtensions.tracei("exit ovrScene_Create NUM_INSTANCES: ", NUM_INSTANCES);
}
// called by AppThreadFunction
// called after VRAPI_FRAME_INIT_LOADING_ICON_FLUSH
public void ovrScene_Create()
{
// 864
ConsoleExtensions.trace("enter ovrScene_Create, invoke ovrProgram_Create, ovrGeometry_CreateCube");
var vert = new Shaders.VrCubeWorldVertexShader();
var frag = new Shaders.VrCubeWorldFragmentShader();
this.Program.ovrProgram_Create(
vert.ToString(),
frag.ToString()
);
this.Cube.ovrGeometry_CreateCube();
// Create the instance transform attribute buffer.
gl3.glGenBuffers(1, out this.InstanceTransformBuffer);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, this.InstanceTransformBuffer);
gl3.glBufferData(gl3.GL_ARRAY_BUFFER, NUM_INSTANCES * 4 * 4 * sizeof(float), null, gl3.GL_DYNAMIC_DRAW);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, 0);
// Setup random cube positions and rotations.
for (int i = 0; i < NUM_INSTANCES; i++)
{
// Using volatile keeps the compiler from optimizing away multiple calls to drand48().
//volatile float rx; ry, rz;
float rx = 0, ry = 0, rz = 0;
//for (; ; )
var notfound = true;
while (notfound)
{
rx = (float)(stdlib_h.drand48() - 0.5f) * (50.0f + (float)Math.Sqrt(NUM_INSTANCES));
ry = (float)(stdlib_h.drand48() - 0.5f) * (50.0f + (float)Math.Sqrt(NUM_INSTANCES));
rz = (float)(stdlib_h.drand48() - 0.5f) * (1500.0f + (float)Math.Sqrt(NUM_INSTANCES));
// If too close to 0,0,0
var too_closex = Math.Abs(rx) < 4.0f;
var too_closey = Math.Abs(ry) < 4.0f;
var too_closez = Math.Abs(rz) < 4.0f;
if (too_closex)
{
if (too_closey)
{
if (too_closez)
{
continue;
}
}
}
// Test for overlap with any of the existing cubes.
bool overlap = false;
for (int j = 0; j < i; j++)
{
if (Math.Abs(rx - this.CubePositions[j].x) < 4.0f)
{
if (Math.Abs(ry - this.CubePositions[j].y) < 4.0f)
{
if (Math.Abs(rz - this.CubePositions[j].z) < 4.0f)
{
overlap = true;
break;
}
}
}
}
if (!overlap)
{
//break;
notfound = false;
}
}
// Insert into list sorted based on distance.
int insert = 0;
float distSqr = rx * rx + ry * ry + rz * rz;
for (int j = i; j > 0; j--)
{
var otherDistSqr = default(float);
// fixed/break does a try/finally to zero out the pointer
fixed(ovrVector3f *otherPos = &this.CubePositions[j - 1])
otherDistSqr = otherPos->x * otherPos->x + otherPos->y * otherPos->y + otherPos->z * otherPos->z;
if (distSqr > otherDistSqr)
{
insert = j;
break;
}
this.CubePositions[j] = this.CubePositions[j - 1];
this.CubeRotations[j] = this.CubeRotations[j - 1];
}
this.CubePositions[insert].x = rx;
this.CubePositions[insert].y = ry;
this.CubePositions[insert].z = rz;
//ConsoleExtensions.tracei("ovrScene_Create CubePositions i: ", insert);
this.CubeRotations[insert].x = (float)stdlib_h.drand48();
this.CubeRotations[insert].y = (float)stdlib_h.drand48();
this.CubeRotations[insert].z = (float)stdlib_h.drand48();
}
this.CreatedScene = true;
this.ovrScene_CreateVAOs();
// elapsed?
ConsoleExtensions.tracei("exit ovrScene_Create NUM_INSTANCES: ", NUM_INSTANCES);
}
