/** Creates a ball of lines.*/
HRESULT EditorLinePrimitive::CreateLineBallPrimitive(UINT Detail, const D3DXVECTOR4* Color)
{
// Allocate enough memory for all 3 slices
LineVertex* vx = new LineVertex[(Detail*3)];
float Step = (D3DX_PI*2)/((float)Detail-1);
float s = 0;
// Create first
for(UINT i = 0; i < Detail; i++)
{
vx[i].Position = D3DXVECTOR3(sinf(s), 0, cosf(s));
EncodeColor(&vx[i], Color);
s+=Step;
}
s=0;
// Create second
for(UINT i = Detail; i < Detail*2; i++)
{
vx[i].Position = D3DXVECTOR3(0, sinf(s), cosf(s));
EncodeColor(&vx[i], Color);
s+=Step;
}
s=0;
// Create third
for(UINT i = Detail*2; i < Detail*3; i++)
{
vx[i].Position = D3DXVECTOR3(sinf(s), cosf(s), 0);
EncodeColor(&vx[i], Color);
s+=Step;
}
// Fix the last position
//vx[(Detail*3)].Position = D3DXVECTOR3(sinf(s), cosf(s), 0);
HRESULT hr = CreatePrimitive(vx, (Detail*3), D3D11_PRIMITIVE_TOPOLOGY_LINESTRIP);
delete[] vx;
return hr;
}
/** Creates a cone of lines */
HRESULT EditorLinePrimitive::CreateSimpleConePrimitive(float Length, float Radius, UINT Detail, const D3DXVECTOR4* Color)
{
UINT NumVerts;
NumVerts = Detail*2; // Two for each connection line
NumVerts += Detail*2; // Two for each circle line
LineVertex* vx = new LineVertex[NumVerts];
float Step = (D3DX_PI*2)/((float)Detail-1);
float s = 0;
UINT i = 0;
while(i < NumVerts)
{
// First vertex of the circle-line
vx[i].Position = D3DXVECTOR3(Length, (sinf(s)*Radius), cosf(s)*Radius);
EncodeColor(&vx[i], Color);
i++;
s+=Step;
// Second vertex of the circle-line
vx[i].Position = D3DXVECTOR3(Length, (sinf(s)*Radius), cosf(s)*Radius);
EncodeColor(&vx[i], Color);
i++;
// Connector line #1
vx[i].Position = vx[i-2].Position;
EncodeColor(&vx[i], Color);
i++;
// Connector line #2
vx[i].Position = D3DXVECTOR3(0, 0, 0);
EncodeColor(&vx[i], Color);
i++;
}
HRESULT hr = CreatePrimitive(vx, NumVerts);
delete[] vx;
return hr;
}
/** Creates an arrow of lines */
HRESULT EditorLinePrimitive::CreateArrowPrimitive(const D3DXVECTOR4* Color,float ArrowRadius, float ArrowOffset)
{
LineVertex vx[10];
// Middle streak
vx[0].Position = D3DXVECTOR3(0, 0, 0);
vx[1].Position = D3DXVECTOR3(1, 0, 0);
// Outer lines
vx[2].Position = D3DXVECTOR3(1, 0, 0);
vx[3].Position = D3DXVECTOR3(ArrowOffset, ArrowRadius, ArrowRadius);
vx[4].Position = D3DXVECTOR3(1, 0, 0);
vx[5].Position = D3DXVECTOR3(ArrowOffset, ArrowRadius, -ArrowRadius);
vx[6].Position = D3DXVECTOR3(1, 0, 0);
vx[7].Position = D3DXVECTOR3(ArrowOffset, -ArrowRadius, ArrowRadius);
vx[8].Position = D3DXVECTOR3(1, 0, 0);
vx[9].Position = D3DXVECTOR3(ArrowOffset, -ArrowRadius, -ArrowRadius);
for(int i=0; i< 10; i++)
{
EncodeColor(&vx[i], Color);
}
HRESULT hr = CreatePrimitive(vx, 10);
return hr;
}
void Canvas_setColorRGB(int red, int green, int blue)
{
CHECK_DRAWING(1);
if (IN_BOUNDS(red, 0, 255) && IN_BOUNDS(green, 0, 255) && IN_BOUNDS(blue, 0, 255))
{
currentColor = EncodeColor(red, green, blue);
}
}
/** Creates a grid of lines */
HRESULT EditorLinePrimitive::CreateLineGrid(int LinesX,int LinesY,D3DXVECTOR2* Middle, D3DXVECTOR4* Color)
{
HRESULT hr;
LineVertex* vx = new LineVertex[(LinesX+1)*(LinesY+1)*4];
UINT CurVertex=0;
//Fill X based lines
float x;
float SpacingX=(1.0f/LinesX);
for(x= -0.5; x<=0.5f+SpacingX; x+=SpacingX)
{
vx[CurVertex].Position=D3DXVECTOR3(x,0,-0.5)+D3DXVECTOR3(Middle->x,0,Middle->y);
EncodeColor(&vx[CurVertex], Color);
CurVertex++;
vx[CurVertex].Position=D3DXVECTOR3(x,0,0.5)+D3DXVECTOR3(Middle->x,0,Middle->y);
EncodeColor(&vx[CurVertex], Color);
CurVertex++;
}
//Fill Z based lines
float z;
float SpacingY=(1.0f/LinesY);
for(z= -0.5; z<=0.5f+SpacingY; z+=SpacingY)
{
vx[CurVertex].Position=D3DXVECTOR3(-0.5,0,z)+D3DXVECTOR3(Middle->x,0,Middle->y);
EncodeColor(&vx[CurVertex], Color);
CurVertex++;
vx[CurVertex].Position=D3DXVECTOR3(0.5,0,z)+D3DXVECTOR3(Middle->x,0,Middle->y);
EncodeColor(&vx[CurVertex], Color);
CurVertex++;
}
LE(CreatePrimitive(vx, (LinesX+1)*(LinesY+1)*4));
delete[] vx;
return hr;
}
/** Creates a circle of lines */
HRESULT EditorLinePrimitive::CreateCirclePrimitive(float Radius, UINT Detail, const D3DXVECTOR4* Color, int Axis)
{
LineVertex* vx = new LineVertex[Detail];
float Step = (D3DX_PI*2)/((float)Detail-1);
float s = 0;
for(UINT i = 0; i < Detail; i++)
{
switch(Axis)
{
case 0:
// XZ-Axis
vx[i].Position = D3DXVECTOR3(sinf(s), 0, cosf(s));
break;
case 1:
// YZ-Axis
vx[i].Position = D3DXVECTOR3(0, sinf(s), cosf(s));
break;
case 2:
// ZY-Axis
vx[i].Position = D3DXVECTOR3(sinf(s), cosf(s), 0);
break;
}
EncodeColor(&vx[i], Color);
s+=Step;
}
HRESULT hr = CreatePrimitive(vx, Detail, D3D11_PRIMITIVE_TOPOLOGY_LINESTRIP);
delete[] vx;
return hr;
}
/** Creates a box of lines */
HRESULT EditorLinePrimitive::CreateLineBoxPrimitive(D3DXVECTOR4* Color)
{
LineVertex vx[24];
// Bottom
vx[0].Position = D3DXVECTOR3(-1,-1,-1);
EncodeColor(&vx[0], Color);
vx[1].Position = D3DXVECTOR3(1,-1,-1);
EncodeColor(&vx[1], Color);
vx[2].Position = D3DXVECTOR3(1,-1,-1);
EncodeColor(&vx[2], Color);
vx[3].Position = D3DXVECTOR3(1,-1,1);
EncodeColor(&vx[3], Color);
vx[4].Position = D3DXVECTOR3(1,-1,1);
EncodeColor(&vx[4], Color);
vx[5].Position = D3DXVECTOR3(-1,-1,1);
EncodeColor(&vx[5], Color);
vx[6].Position = D3DXVECTOR3(-1,-1,1);
EncodeColor(&vx[6], Color);
vx[7].Position = D3DXVECTOR3(-1,-1,-1);
EncodeColor(&vx[7], Color);
// Sides | | | |
vx[8].Position = D3DXVECTOR3(-1,-1,-1);
EncodeColor(&vx[8], Color);
vx[9].Position = D3DXVECTOR3(-1,1,-1);
EncodeColor(&vx[9], Color);
vx[10].Position = D3DXVECTOR3(1,-1,-1);
EncodeColor(&vx[10], Color);
vx[11].Position = D3DXVECTOR3(1,1,-1);
EncodeColor(&vx[11], Color);
vx[12].Position = D3DXVECTOR3(1,-1,1);
EncodeColor(&vx[12], Color);
vx[13].Position = D3DXVECTOR3(1,1,1);
EncodeColor(&vx[13], Color);
vx[14].Position = D3DXVECTOR3(-1,-1,1);
EncodeColor(&vx[14], Color);
vx[15].Position = D3DXVECTOR3(-1,1,1);
EncodeColor(&vx[15], Color);
// Top
vx[16].Position = D3DXVECTOR3(-1,1,-1);
EncodeColor(&vx[16], Color);
vx[17].Position = D3DXVECTOR3(1,1,-1);
EncodeColor(&vx[17], Color);
vx[18].Position = D3DXVECTOR3(1,1,-1);
EncodeColor(&vx[18], Color);
vx[19].Position = D3DXVECTOR3(1,1,1);
EncodeColor(&vx[19], Color);
vx[20].Position = D3DXVECTOR3(1,1,1);
EncodeColor(&vx[20], Color);
vx[21].Position = D3DXVECTOR3(-1,1,1);
EncodeColor(&vx[21], Color);
vx[22].Position = D3DXVECTOR3(-1,1,1);
EncodeColor(&vx[22], Color);
vx[23].Position = D3DXVECTOR3(-1,1,-1);
EncodeColor(&vx[23], Color);
HRESULT hr;
LE(CreatePrimitive(vx, 24));
return hr;
}
/** Creates a plate, not of lines. Can't use intersection on this*/
HRESULT EditorLinePrimitive::CreateFilledCirclePrimitive(float Radius, UINT Detail, const D3DXVECTOR4* Color, int Axis)
{
UINT NumVerts = Detail*3;
LineVertex* vx = new LineVertex[NumVerts];
float Step = (D3DX_PI*2)/((float)(Detail)-1);
float s = 0;
int i=0;
while(i < NumVerts)
{
switch(Axis)
{
case 0:
// XZ-Axis
vx[i].Position = D3DXVECTOR3(sinf(s), 0, cosf(s));
break;
case 1:
// YZ-Axis
vx[i].Position = D3DXVECTOR3(0, sinf(s), cosf(s));
break;
case 2:
// ZY-Axis
vx[i].Position = D3DXVECTOR3(sinf(s), cosf(s), 0);
break;
}
EncodeColor(&vx[i], Color);
s+=Step;
i++;
switch(Axis)
{
case 0:
// XZ-Axis
vx[i].Position = D3DXVECTOR3(sinf(s), 0, cosf(s));
break;
case 1:
// YZ-Axis
vx[i].Position = D3DXVECTOR3(0, sinf(s), cosf(s));
break;
case 2:
// ZY-Axis
vx[i].Position = D3DXVECTOR3(sinf(s), cosf(s), 0);
break;
}
EncodeColor(&vx[i], Color);
//s+=Step;
i++;
vx[i].Position = D3DXVECTOR3(0, 0, 0);
EncodeColor(&vx[i], Color);
i++;
}
HRESULT hr = CreatePrimitive(vx, NumVerts, D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
delete[] vx;
return hr;
}
