void ModelGroup::update(Storm &storm, const VC3 &position)
{
QUAT quat;
//quat.MakeFromAngles(0, rotation, 0);
quat = frozenbyte::editor::getRotation(rotationEul);
MAT tm;
tm.CreateRotationMatrix(quat);
for(int i = 0; i < int(models.size()); ++i)
{
if(!models[i])
continue;
const GroupList::Instance &instance = objectGroup.instances[i];
VC3 pos = instance.position;
tm.RotateVector(pos);
pos += position;
pos.y = storm.getHeight(VC2(pos.x, pos.z)) + heightOffset;
pos.y += objectGroup.instances[i].position.y;
models[i]->SetPosition(pos);
VC3 angles = getRotation(storm, i);
quat = frozenbyte::editor::getRotation(angles);
//QUAT q;
//q.MakeFromAngles(0, rotation, 0);
//quat = quat * q;
models[i]->SetRotation(quat);
}
}
VC3 getSunDirection() const
{
float yAngle = getSliderValue(dialog, IDC_SUN_YANGLE) / 180.f * PI;
float xAngle = -getSliderValue(dialog, IDC_SUN_XANGLE) / 180.f * PI;
float strength = getSliderValue(dialog, IDC_SUN_STRENGTH) / 400.f;
QUAT q;
q.MakeFromAngles(xAngle, yAngle);
q.Normalize();
MAT tm;
tm.CreateRotationMatrix(q);
VC3 result(0, 0, strength);
tm.RotateVector(result);
return result;
}
int Storm3D_ParticleSystem::QuadArray::lock(VXFORMAT_PART *pointer, int particleOffset, Storm3D_Scene *scene)
{
m_partOffset = particleOffset;
pointer += particleOffset * 4;
VXFORMAT_PART *vp = pointer;
float frameWidth = 0.0f;
float frameHeight = 0.0f;
if(m_animInfo.numFrames > 1)
{
frameWidth = 1.0f / m_animInfo.textureUSubDivs;
frameHeight = 1.0f / m_animInfo.textureVSubDivs;
}
BYTE *verts = (BYTE*)&vp[0].position;
BYTE *uvs = (BYTE*)&vp[0].texcoords;
BYTE *colors = (BYTE*)&vp[0].color;
DWORD stride = sizeof(VXFORMAT_PART);
D3DXMATRIX mv = scene->camera.GetViewMatrix();
DWORD c0 = 0;
// Up rotation
MAT view(scene->camera.GetViewMatrix());
VC3 worldUp(0, 1.f, 0);
view.RotateVector(worldUp);
QUAT q;
rotateToward(worldUp, VC3(0, 0, 1.f), q);
MAT g;
g.CreateRotationMatrix(q);
for(int i = 0; i < m_numParts; i++)
{
Storm3D_PointParticle& p = m_parts[i];
float sa = sinf(p.angle);
float ca = cosf(p.angle);
float hsize = 0.5f*p.size;
float x1,y1,x2,y2,x3,y3,x4,y4;
quad_util::rotatePointFast(x1, y1, -hsize, hsize, ca, sa);
quad_util::rotatePointFast(x2, y2, hsize, hsize, ca, sa);
quad_util::rotatePointFast(x3, y3, -hsize, -hsize, ca, sa);
quad_util::rotatePointFast(x4, y4, hsize, -hsize, ca, sa);
VC3 v;
v.x = p.position.x * mv.m[0][0] +
p.position.y * mv.m[1][0] +
p.position.z * mv.m[2][0] + mv.m[3][0];
v.y = p.position.x * mv.m[0][1] +
p.position.y * mv.m[1][1] +
p.position.z * mv.m[2][1] + mv.m[3][1];
v.z = p.position.x * mv.m[0][2] +
p.position.y * mv.m[1][2] +
p.position.z * mv.m[2][2] + mv.m[3][2];
VC3 v1(x1, y1, 0);
VC3 v2(x2, y2, 0);
VC3 v3(x3, y3, 0);
VC3 v4(x4, y4, 0);
if(faceUp)
{
g.RotateVector(v1);
g.RotateVector(v2);
g.RotateVector(v3);
g.RotateVector(v4);
}
v1 += v;
v2 += v;
v3 += v;
v4 += v;
/*
VC3 v1(v.x + x1, v.y + y1, v.z);
VC3 v2(v.x + x2, v.y + y2, v.z);
VC3 v3(v.x + x3, v.y + y3, v.z);
VC3 v4(v.x + x4, v.y + y4, v.z);
{
v1 -= v;
g.RotateVector(v1);
v1 += v;
v2 -= v;
g.RotateVector(v2);
v2 += v;
v3 -= v;
g.RotateVector(v3);
v3 += v;
v4 -= v;
g.RotateVector(v4);
v4 += v;
}
*/
*((Vector*)verts) = v1; verts += stride;
*((Vector*)verts) = v2; verts += stride;
*((Vector*)verts) = v3; verts += stride;
*((Vector*)verts) = v4; verts += stride;
// Fill texturecoords
if(m_animInfo.numFrames > 1) {
int frame = (int)p.frame % m_animInfo.numFrames;
int col = frame % m_animInfo.textureUSubDivs;
int row = frame / m_animInfo.textureUSubDivs;
float tx = frameWidth * (float)col;
float ty = frameHeight * (float)row;
*((float*)uvs) = tx; uvs += 4; *((float*)uvs) = ty; uvs += (stride - 4);
*((float*)uvs) = tx + frameWidth; uvs += 4; *((float*)uvs) = ty; uvs += (stride - 4);
*((float*)uvs) = tx; uvs += 4; *((float*)uvs) = ty + frameHeight; uvs += (stride - 4);
*((float*)uvs) = tx + frameWidth; uvs += 4; *((float*)uvs) = ty + frameHeight; uvs += (stride - 4);
} else {
*((float*)uvs) = 0.0f; uvs += 4; *((float*)uvs) = 0.0f; uvs += (stride - 4);
*((float*)uvs) = 1.0f; uvs += 4; *((float*)uvs) = 0.0f; uvs += (stride - 4);
*((float*)uvs) = 0.0f; uvs += 4; *((float*)uvs) = 1.0f; uvs += (stride - 4);
*((float*)uvs) = 1.0f; uvs += 4; *((float*)uvs) = 1.0f; uvs += (stride - 4);
}
c0 = (((DWORD)(p.alpha * 255.0f) &0xff) << 24) |
(((DWORD)(factor.r * p.color.r * 255.0f) &0xff) << 16) |
(((DWORD)(factor.g * p.color.g * 255.0f) &0xff) << 8) |
(((DWORD)(factor.b * p.color.b * 255.0f) &0xff) );
*((DWORD*)colors) = c0; colors += stride;
*((DWORD*)colors) = c0; colors += stride;
*((DWORD*)colors) = c0; colors += stride;
*((DWORD*)colors) = c0; colors += stride;
}
return m_numParts;
}