public static Vector2 ViewPortToPixelSpacePointCoord(Vector2 point, Rasterisation screen)
{
point.x = (int)(((point.x + 1) / 2) * (screen.resX - 1));
point.y = (int)(((1 - point.y) / 2) * (screen.resY - 1));
return(point);
}
// Use this for initialization
void Start()
{
LineClip LC = new LineClip();
Rasterisation rasterisation = new Rasterisation();
Vector2 start = new Vector2(0.5f, 0.3f);
Vector2 end = new Vector2(-0.5f, -0.3f);
if (LC.Line_Clip(ref start, ref end))
{
List <Vector2> vectorsRasterised = new List <Vector2>();
vectorsRasterised = rasterisation.Rasterise(start, end);
print("Rasterise");
}
}
// Use this for initialization
void Start()
{
//TEST for OutCode class
//Trivially Accept
print("================================");
print("NEW POINT :");
Vector2 temp1 = new Vector2(0.5f, 0.3f);
Vector2 temp2 = new Vector2(0.5f, -0.9f);
Vector2[] temp_res = new Vector2[2];
temp_res = OutCode.LineClipping(temp1, temp2);
print("Point 1 : x = " + temp_res[0].x + " , y = " + temp_res[0].y);
print("Point 1 : x = " + temp_res[1].x + " , y = " + temp_res[1].y);
//Trivially Reject
print("================================");
print("NEW POINT :");
temp1.x = 1.5f; temp1.y = 0.1f;
temp2.x = 1.5f; temp2.y = 2f;
temp_res = OutCode.LineClipping(temp1, temp2);
print("Point 1 : x = " + temp_res[0].x + " , y = " + temp_res[0].y);
print("Point 1 : x = " + temp_res[1].x + " , y = " + temp_res[1].y);
//Not accept, reject and outside the screen
print("================================");
print("NEW POINT :");
temp1.x = 15f; temp1.y = 0f;
temp2.x = 0f; temp2.y = 15f;
temp_res = OutCode.LineClipping(temp1, temp2);
print("Point 1 : x = " + temp_res[0].x + " , y = " + temp_res[0].y);
print("Point 1 : x = " + temp_res[1].x + " , y = " + temp_res[1].y);
//Not accept, reject and inside the screen
print("================================");
print("NEW POINT :");
temp1.x = 0f; temp1.y = 1.2f;
temp2.x = -1.3f; temp2.y = -1.4f;
temp_res = OutCode.LineClipping(temp1, temp2);
print("Point 1 : x = " + temp_res[0].x + " , y = " + temp_res[0].y);
print("Point 1 : x = " + temp_res[1].x + " , y = " + temp_res[1].y);
//==============================
//Test For the Rasterisation
Rasterisation screen = new Rasterisation(64, 36);
List <Vector2> result = new List <Vector2>();
//Test for normal case
print("================================");
print("NEW RASTERISATION :");
temp1 = new Vector2(-1f, 1f);
temp2 = new Vector2(1f, -1f);
temp1 = Rasterisation.ViewPortToPixelSpacePointCoord(temp1, screen);
temp2 = Rasterisation.ViewPortToPixelSpacePointCoord(temp2, screen);
print("x0 : " + temp1.x + " , y0 : " + temp1.y);
print("x1 : " + temp2.x + " , y1 : " + temp2.y);
result = Rasterisation.Breshenhams(temp1, temp2);
for (int i = 0; i < result.Count; i++)
{
print("x : " + result[i].x + " , y : " + result[i].y);
}
//Test for negate case
print("================================");
print("NEW RASTERISATION :");
temp1 = new Vector2(-1f, -1f);
temp2 = new Vector2(1f, 1f);
temp1 = Rasterisation.ViewPortToPixelSpacePointCoord(temp1, screen);
temp2 = Rasterisation.ViewPortToPixelSpacePointCoord(temp2, screen);
print("x0 : " + temp1.x + " , y0 : " + temp1.y);
print("x1 : " + temp2.x + " , y1 : " + temp2.y);
result = Rasterisation.Breshenhams(temp1, temp2);
for (int i = 0; i < result.Count; i++)
{
print("x : " + result[i].x + " , y : " + result[i].y);
}
//Test for swap case
print("================================");
print("NEW RASTERISATION :");
temp1 = new Vector2(0f, 1f);
temp2 = new Vector2(1f, -1f);
temp1 = Rasterisation.ViewPortToPixelSpacePointCoord(temp1, screen);
temp2 = Rasterisation.ViewPortToPixelSpacePointCoord(temp2, screen);
print("x0 : " + temp1.x + " , y0 : " + temp1.y);
print("x1 : " + temp2.x + " , y1 : " + temp2.y);
result = Rasterisation.Breshenhams(temp1, temp2);
for (int i = 0; i < result.Count; i++)
{
print("x : " + result[i].x + " , y : " + result[i].y);
}
//Test for negate swap case
print("================================");
print("NEW RASTERISATION :");
temp1 = new Vector2(0f, -1f);
temp2 = new Vector2(1f, 1f);
temp1 = Rasterisation.ViewPortToPixelSpacePointCoord(temp1, screen);
temp2 = Rasterisation.ViewPortToPixelSpacePointCoord(temp2, screen);
print("x0 : " + temp1.x + " , y0 : " + temp1.y);
print("x1 : " + temp2.x + " , y1 : " + temp2.y);
result = Rasterisation.Breshenhams(temp1, temp2);
for (int i = 0; i < result.Count; i++)
{
print("x : " + result[i].x + " , y : " + result[i].y);
}
}