CIwVec3 HexMapTest::getWorldCoords(int x, int y) {
// Generate a ray pointing to the view plane from the camera
CIwVec3 dir(x - IwGxGetScreenWidth()/2,
y - IwGxGetScreenHeight()/2,
IwGxGetPerspMul());
CIwVec3 origin = s_viewMatrix.t;
// Rotate into camera space
dir = s_viewMatrix.RotateVec(dir);
// dir.NormaliseSlow();
CIwVec3 inter = getIntersectionNew(origin, dir);
inter = inter - s_ModelMatrix.t;
iwfixed z = IW_FIXED_FROM_FLOAT(1.0f/zoom);
inter.x = IW_FIXED_MUL(inter.x, z);
inter.y = IW_FIXED_MUL(inter.y, z);
inter.z = IW_FIXED_MUL(inter.z, z);
CIwMat rotationMat = CIwMat::g_Identity;
rotationMat.SetRotZ(IW_ANGLE_FROM_DEGREES(-rotation), true, true);
inter = rotationMat.RotateVec(inter);
return inter;
}
//-----------------------------------------------------------------------------
bool HexMapTest::Update()
{
int16 sprite1_pos_x,sprite1_pos_y;
int16 sprite2_pos_x,sprite2_pos_y;
if (mouse_mode == MOUSE_MODE_CHECKING)
mouse_mode = MOUSE_MODE_DOWN;
// UI processing
if (((s3ePointerGetState(S3E_POINTER_BUTTON_SELECT) & S3E_POINTER_STATE_PRESSED)) && mouse_mode == MOUSE_MODE_IDLE)
mouse_mode = MOUSE_MODE_IDLE;
if ((s3ePointerGetState(S3E_POINTER_BUTTON_SELECT) & S3E_POINTER_STATE_RELEASED))
mouse_mode = MOUSE_MODE_CHECKING;
// UpdateKey();
IwGxSetViewMatrix(&s_viewMatrix);
// Generate a ray pointing to the view plane from the camera
CIwVec3 dir(s3ePointerGetX() - IwGxGetScreenWidth()/2,
s3ePointerGetY() - IwGxGetScreenHeight()/2,
IwGxGetPerspMul());
// Rotate into camera space
dir = s_viewMatrix.RotateVec(dir);
// Update pointer system
g_Input.Update();
if (g_Input.finger1IsDown()) {
if (g_Input.overThreshold()) {
if (!g_Input.finger1Continuing()) {
s_ModelMatrix_initial = s_ModelMatrix;
CIwVec3 vectCenter = getWorldCoords(0, 0);
zoom_initial = zoom;
rotation_initial = rotation;
screenTranslationX_initial = screenTranslationX;
screenTranslationY_initial = screenTranslationY;
if (!g_Input.isMultiTouch()) {
if (g_Input.finger1MovedTo(sprite1_pos_x, sprite1_pos_y)) {
if (sprite1_pos_x > int(IwGxGetScreenWidth()) - SCREEN_MARGIN) {
zooming = true;
}
if (sprite1_pos_y > int(IwGxGetScreenHeight()) - SCREEN_MARGIN) {
rotating = true;
}
}
}
}
if (!g_Input.finger2IsDown() && g_Input.finger1MovedTo(sprite1_pos_x, sprite1_pos_y)) {
if (g_Input.finger1Continuing()) {
if (zooming) {
if (sprite1_pos_x > int(IwGxGetScreenWidth()) - SCREEN_MARGIN) {
int16 dsprite1_pos_x, dsprite1_pos_y;
if (g_Input.finger1MovementDelta(dsprite1_pos_x, dsprite1_pos_y)) {
float deltaZoom = 1.0f - 1.0f*(dsprite1_pos_y)/IwGxGetScreenHeight();
SetZoom(deltaZoom, 8);
}
}
} else if (rotating) {
if (sprite1_pos_y > int(IwGxGetScreenHeight()) - SCREEN_MARGIN) {
int16 dsprite1_pos_x, dsprite1_pos_y;
if (g_Input.finger1MovementDelta(dsprite1_pos_x, dsprite1_pos_y)) {
float deltaRotation = 360.0f*(dsprite1_pos_x)/IwGxGetScreenWidth();
SetRotation(deltaRotation);
}
}
} else {
SetTranslation();
}
}
} else {
if (g_Input.finger1MovedTo(sprite1_pos_x, sprite1_pos_y)) {
if (g_Input.finger2MovedTo(sprite2_pos_x, sprite2_pos_y)) {
if (!g_Input.finger2Continuing()) {
screenTranslationX_initial = screenTranslationX;
screenTranslationY_initial = screenTranslationY;
g_Input.resetInitial(0);
} else {
int16 sprite1_pos_x_initial,sprite1_pos_y_initial,sprite2_pos_x_initial,sprite2_pos_y_initial;
g_Input.finger1Initial(sprite1_pos_x_initial,sprite1_pos_y_initial);
g_Input.finger2Initial(sprite2_pos_x_initial,sprite2_pos_y_initial);
int d12x=sprite1_pos_x-sprite2_pos_x;
int d12y=sprite1_pos_y-sprite2_pos_y;
int d12x_initial=sprite1_pos_x_initial-sprite2_pos_x_initial;
int d12y_initial=sprite1_pos_y_initial-sprite2_pos_y_initial;
int Delta_initial = d12x_initial*d12x_initial+d12y_initial*d12y_initial;
int Delta = d12x*d12x+d12y*d12y;
float newZoom = float(sqrt(1.0*Delta)/sqrt(Delta_initial));
SetZoom(newZoom, 1);
float oldRotation = float(atan2(float(d12y_initial), float(d12x_initial)));
float newRotation = float(atan2(float(d12y), float(d12x)));
SetRotation(180.0f*(oldRotation-newRotation)/PI);
{
char string[256];
//sprintf(string, "`1`a del %04d, %04d",d1x,d2x);
//IwGxPrintString(2, 96, string);
sprintf(string, "`1`a zoo %5.2f, %5.2f, %5.2f",newZoom,oldRotation,newRotation);
IwGxPrintString(2, 96, string);
}
}
}
}
}
}
} else {
zooming = false;
rotating = false;
// s_ModelMatrix = CIwMat::g_Identity;
}
return true;
}
//-----------------------------------------------------------------------------
int32 GhostCollision::GetFaceUnderCursor(int32 x, int32 y)
{
//Calculate pos/dir of cursor from camera
CIwFVec3 pos = IwGxGetViewMatrix().t;
CIwFVec3 dir(x, y, IwGxGetPerspMul());
dir.x -= IwGxGetScreenWidth()/2;
dir.y -= IwGxGetScreenHeight()/2;
//Extend to the far plane
dir *= IW_FIXED_DIV(IwGxGetFarZ(), IwGxGetPerspMul());
//Transform pos/dir into model space
dir = IwGxGetViewMatrix().RotateVec(dir);
dir = modelMatrix->TransposeRotateVec(dir);
//Use more accurate normalise
dir.Normalise();
// Scale to touch far plane
dir *= IwGxGetFarZ();
pos = modelMatrix->TransposeTransformVec(pos);
//find first face intersection
int32 minf = INT32_MAX; //nearest intersection distance
uint32 nearest = 0; //nearest intersection index
for (uint32 i = 0; i < m_Points.size(); i += 3)
{
CIwFVec3 v1 = (CIwFVec3)GetVert(i);
CIwFVec3 v2 = (CIwFVec3)GetVert(i+1);
CIwFVec3 v3 = (CIwFVec3)GetVert(i+2);
float f = 0;
if (IwIntersectLineTriNorm(pos, dir, v1, v2, v3, m_Norms[i/3], f)) {
if (f < minf)
{
minf = f;
nearest = i;
}
}
/*{ // Draw the custom resource. Kills fps but helps debugging.
CIwMaterial* pMat = IW_GX_ALLOC_MATERIAL();
pMat->SetColAmbient(0xff0000ff);
pMat->SetCullMode(CIwMaterial::CULL_NONE);
IwGxSetMaterial(pMat);
CIwFVec3* verts = IW_GX_ALLOC(CIwFVec3, 3);
verts[0] = v1;
verts[1] = v2;
verts[2] = v3;
IwGxSetVertStreamModelSpace(verts, 3);
IwGxDrawPrims(IW_GX_TRI_LIST, NULL, 3);
}*/
}
if (minf != INT32_MAX)
{
return nearest;
}
return -1;
}