// Tekent een ray op de debug met de line segmenten.
public void DrawDebugRay(Ray ray, Vector3 color)
{
screen.Line(ConverttoDebugX(ray.O.X),
ConverttoDebugY(ray.O.Z),
ConverttoDebugX((ray.D.X * ray.t) + ray.O.X),
ConverttoDebugY((ray.D.Z * ray.t) + ray.O.Z), FixColor(color));
}
// tick: renders one frame
public void Tick()
{
keyPress();
screen.Clear(0);
// A step
a= a + 0.01F;
// These rotate the square
float x1 = -1, y1 = 1.0f;
float rx1 = (float)(x1 * Math.Cos(a) - y1 * Math.Sin(a));
float ry1 = (float)(x1 * Math.Sin(a) + y1 * Math.Cos(a));
float x2 = 1, y2 = 1.0f;
float rx2 = (float)(x2 * Math.Cos(a) - y2 * Math.Sin(a));
float ry2 = (float)(x2 * Math.Sin(a) + y2 * Math.Cos(a));
float x3 = 1, y3 = -1.0f;
float rx3 = (float)(x3 * Math.Cos(a) - y3 * Math.Sin(a));
float ry3 = (float)(x3 * Math.Sin(a) + y3 * Math.Cos(a));
float x4 = -1, y4 = -1.0f;
float rx4 = (float)(x4 * Math.Cos(a) - y4 * Math.Sin(a));
float ry4 = (float)(x4 * Math.Sin(a) + y4 * Math.Cos(a));
// These translate to screen coordinates and actually draw the square
screen.Line(TX(rx1), TY(ry1), TX(rx2), TY(ry2), 0xffffff);
screen.Line(TX(rx2), TY(ry2), TX(rx3), TY(ry3), 0xffffff);
screen.Line(TX(rx3), TY(ry3), TX(rx4), TY(ry4), 0xffffff);
screen.Line(TX(rx4), TY(ry4), TX(rx1), TY(ry1), 0xffffff);
}
// tick: renders one frame
public void Tick()
{
screen.Clear( 0 );
screen.Print( "hello world", 2, 2, 0xffffff );
screen.Line(2, 20, 160, 20, 0xff0000);
a += 1f / 30;
Ex3(a);
}
public virtual void DrawDebug(Surface screen)
{
int x1 = Debug.TX(p.X, screen.width);
int z1 = Debug.TZ(p.Z, screen.height);
int x2 = Debug.TX((e1 + p).X, screen.width);
int z2 = Debug.TZ((e1 + p).Z, screen.height);
int x3 = Debug.TX((e2 + p).X, screen.width);
int z3 = Debug.TZ((e2 + p).Z, screen.height);
screen.Line(x1, z1, x2, z2, Raytracer.VectorToColor(Vector3.One));
screen.Line(x1, z1, x3, z3, Raytracer.VectorToColor(Vector3.One));
screen.Line(x2, z2, x3, z3, Raytracer.VectorToColor(Vector3.One));
}
// tick: renders one frame
public void Tick()
{
//clear
screen.Clear(0);
raytracer.rays.Clear();
int DEFAULT_COLOR = convertColor(new Vector3(255));
for (int i = 0; i < SCREEN_SIZE; i++)
{
for (int j = 0; j < SCREEN_SIZE; j++)
{
//Render Screen
int location = i + j * SCREEN_SIZE * 2;
Vector3 Color = raytracer.Render(i / (SCREEN_SIZE * 1.0f), j / (SCREEN_SIZE * 1.0f));
screen.pixels[location] = convertColor(Color);
//Debug Screen Default
screen.pixels[i + SCREEN_SIZE + j * SCREEN_SIZE * 2] = 0;
}
}
//Debug View
//Draw Sphere
foreach(Primitive primitive in raytracer.scene.primitives)
{
if(primitive is Sphere)
{
Sphere sphere = (Sphere)primitive;
for (int degree = 0; degree < 360; degree++)
{
int coordX = (int)(CUBE_SIZE * (sphere.radius * Math.Cos(degree) + sphere.pos.X));
int coordY = (int)(CUBE_SIZE * (sphere.radius * Math.Sin(degree) - sphere.pos.Z));
screen.Plot(coordX+ 768, coordY + 350, convertColor(sphere.Color));
}
}
}
//Draw Camera point
screen.Box((int)raytracer.camera.pos.X + 767, (int)raytracer.camera.pos.Z * -1 + 349, (int)raytracer.camera.pos.X + 769, (int)raytracer.camera.pos.Z * -1 + 351, DEFAULT_COLOR);
//Draw Rays
foreach(Ray ray in raytracer.rays)
{
float coordX = CUBE_SIZE * (ray.O.X + 40 * ray.D.X);
float coordY = CUBE_SIZE * (ray.O.Z + 40 * ray.D.Z);
screen.Line((int)ray.O.X + 768, (int)ray.O.Z * -1 + 350, (int)coordX + 768, (int)coordY * -1 + 350, DEFAULT_COLOR);
}
//Dividing Line
screen.Line(SCREEN_SIZE, 0, SCREEN_SIZE, SCREEN_SIZE, DEFAULT_COLOR);
//User Input
application.UpdateCam(raytracer.camera);
}
GL.CompileShader(ID);
GL.AttachShader(program, ID);
Console.WriteLine(GL.GetShaderInfoLog(ID));
}
// tick: renders one frame
public void Tick()
{
screen.Clear(0);
screen.Print("hello world", 2, 2, 0xffffff);
screen.Line(2, 20, 160, 20, 0xff0000);
Vierkant();
DraaiendVierkant();
Matrix4 M = Matrix4.CreateFromAxisAngle(new Vector3(0, 0, 1), Timer);
M *= Matrix4.CreateFromAxisAngle(new Vector3(1, 0, 0), 1.9f);
public override void debug(Surface screen)
{
float newradius = (float)Math.Sqrt(Radius2 - Location.Y);
VPoint middle = Location;
middle.Y = 0;
VPoint previousDrawPoint = new VPoint(0, 0, 1);
previousDrawPoint = previousDrawPoint.Normalize() * Radius;
previousDrawPoint += middle;
for (int i = 1; i < 121; i++)
{
VPoint DrawPoint = new VPoint(Game.SinTable[(i * 3) % 360], 0, Game.SinTable[(i * 3 + 90) % 360]);
DrawPoint = DrawPoint.Normalize() * Radius;
DrawPoint += middle;
int x1, x2;
x1 = DrawPoint.transform("x");
x2 = previousDrawPoint.transform("x");
if (x1 <= 512 && x2 <= 512)
{
screen.Line(x1, DrawPoint.transform("y"), x2, previousDrawPoint.transform("y"), Mat.GetColor(new VPoint(0, 0, 0)).getColor());
}
previousDrawPoint = DrawPoint;
}
}
private void RenderRaycastScene()
{
int viewportWidth = screen.width / 2;
int viewportHeight = screen.height;
Vector3 origin = camera.GetPosition();
Vector3 direction;
for (int x = 0; x < viewportWidth; x++)
{
for (int y = 0; y < viewportHeight; y++)
{
direction = camera.GetRayDirection(x / (float)viewportWidth, y / (float)viewportHeight);
Ray r = new Ray(origin, direction);
Intersect intersect = new Intersect();
intersect.OriginalRay = r;
scene.IntersectWithScene(intersect);
screen.Plot(x, y, intersect.Col);
if (y == viewportHeight / 2 && x % 32 == 0)
{
screen.Line(TX(camera.GetPosition().X), TY(camera.GetPosition().Y),
TX(intersect.OriginalRay.distance * direction.X + camera.GetPosition().X),
TY(intersect.OriginalRay.distance * direction.Y + camera.GetPosition().Y), 255 << 8);
}
}
}
}
public void Debug()
{
for (int i = 0; i < raytracer.eindpunten.Length; i++)
{
screen.Line(((int)Xtrans(raytracer.cameraPosition.X)), ((int)Ytrans(raytracer.cameraPosition.Z)), ((int)Xtrans(raytracer.eindpunten[i].X)), ((int)Ytrans((raytracer.eindpunten[i].Y))), 0xff00ff);// tekent de ray van de camera naar een intersectie
//screen.Line(((int)Xtrans(raytracer.eindpunten[i].X)), ((int)Ytrans(raytracer.eindpunten[i].Y)), ((int)Xtrans(scene.lightPositie.X)), ((int)Ytrans(scene.lightPositie.Z)),0x00ffff);// tekent de rays van een intersectie naar de lichtbron
}
r = scene.radius * (screen.height / 10);
for (double i = 0.0; i < 360.0; i += 0.1)
{
hoek = i * Math.PI / 180;
xpositieDebug = (int)(Xtrans((int)scene.sphere1Positie.X) + r * Math.Cos(hoek));
ypositieDebug = (int)(Ytrans((int)scene.sphere1Positie.Z) + r * Math.Sin(hoek));
screen.Plot(xpositieDebug, ypositieDebug, CreateColorf(scene.kleur1.X, scene.kleur1.Y, scene.kleur1.Z));
}
for (double i = 0.0; i < 360.0; i += 0.1)
{
hoek = i * Math.PI / 180;
xpositieDebug = (int)(Xtrans((int)scene.sphere2Positie.X) + r * Math.Cos(hoek));
ypositieDebug = (int)(Ytrans((int)scene.sphere2Positie.Z) + r * Math.Sin(hoek));
screen.Plot(xpositieDebug, ypositieDebug, CreateColorf(scene.kleur2.X, scene.kleur2.Y, scene.kleur2.Z));
}
for (double i = 0.0; i < 360.0; i += 0.1)
{
hoek = i * Math.PI / 180;
xpositieDebug = (int)(Xtrans((int)scene.sphere3Positie.X) + r * Math.Cos(hoek));
ypositieDebug = (int)(Ytrans((int)scene.sphere3Positie.Z) + r * Math.Sin(hoek));
screen.Plot(xpositieDebug, ypositieDebug, CreateColorf(scene.kleur3.X, scene.kleur3.Y, scene.kleur3.Z));
}
screen.Plot(((int)Xtrans(raytracer.cameraPosition.X)), ((int)Ytrans(raytracer.cameraPosition.Z)), 0xffffff); // geeft de camera positie
screen.Plot(((int)Xtrans(scene.lightPositie.X)), ((int)Ytrans(scene.lightPositie.Z)), 0x0fffff); // geeft de licht positie
}
//Draw the ray on the debug.
public void DrawRay(Surface screen)
{
int x1 = Debug.TX(O.X, screen.width);
int y1 = Debug.TZ(O.Z, screen.height);
int x2 = Debug.TX((O + D * l).X, screen.width);
int y2 = Debug.TZ((O + D * l).Z, screen.height);
screen.Line(x1, y1, x2, y2, 16776960);
}
// tick: renders one frame
public void Tick()
{
screen.Clear(0);
// Drawing the Red Seperation line in the middle
screen.Line(screen.width / 2, 0, screen.width / 2, screen.height, 0xff0000);
screen.Print("X", screen.width - 25, screen.height /2 + 10, 0xffffff);
screen.Print("Z", screen.width / 4 * 3+ 5, screen.height - 20, 0xffffff);
// start rendering
Raytracing();
}
public void debug(Surface screen)
{
int x1, x2;
x1 = Upperleft.transform("x");
x2 = Upperright.transform("x");
if (x1 <= 512 && x2 <= 512)
{
screen.Line(x1, Upperleft.transform("y"), x2, Upperright.transform("y"), 255255255);
}
}
public override void RenderDebug(Surface surface, T TX, T TY)
{
float angle = (float)Math.PI / 100 * 2;
Vector2 v1 = new Vector2(radius, 0);
Vector2 v2 = v1.Rotate(angle);
v2.Rotate(angle);
for (float a = 0; a < 99; a += 1)
{
surface.Line(TX(v1.X + location.X), TY(v1.Y + location.Y), TX(v2.X + location.X), TY(v2.Y + location.Y), 0xFFFFFF);
v1 = v2;
v2 = v2.Rotate(angle);
}
}
// tick: renders one frame
public void Tick()
{
screen.Clear(0);
// top left corner
float x1 = -1, y1 = 1.0f;
float rx1 = (float)(x1 * Math.Cos(alpha) - y1 * Math.Sin(alpha));
float ry1 = (float)(x1 * Math.Sin(alpha) + y1 * Math.Cos(alpha));
// top right corner
float x2 = 1, y2 = 1.0f;
float rx2 = (float)(x2 * Math.Cos(alpha) - y2 * Math.Sin(alpha));
float ry2 = (float)(x2 * Math.Sin(alpha) + y2 * Math.Cos(alpha));
// bottom right corner
float x3 = 1, y3 = -1.0f;
float rx3 = (float)(x3 * Math.Cos(alpha) - y3 * Math.Sin(alpha));
float ry3 = (float)(x3 * Math.Sin(alpha) + y3 * Math.Cos(alpha));
// bottom left corner
float x4 = -1, y4 = -1.0f;
float rx4 = (float)(x4 * Math.Cos(alpha) - y4 * Math.Sin(alpha));
float ry4 = (float)(x4 * Math.Sin(alpha) + y4 * Math.Cos(alpha));
int redColor = createColor(255, 50, 50);
int whiteColor = createColor(255, 255, 255);
screen.Line(TX(rx1), TY(ry1), TX(rx2), TY(ry2), redColor);
screen.Line(TX(rx2), TY(ry2), TX(rx3), TY(ry3), redColor);
screen.Line(TX(rx3), TY(ry3), TX(rx4), TY(ry4), redColor);
screen.Line(TX(rx4), TY(ry4), TX(rx1), TY(ry1), redColor);
alpha += .01;
//draw x and y axes
screen.Line(TX(minX), TY(0), TX(maxX), TY(0), whiteColor);
screen.Line(TX(0), TY(minY), TX(0), TY(maxY), whiteColor);
//draw custom lines here ( y = ax + b, color c)
int greenColor = createColor(40, 255, 40);
drawLine(3, 5, greenColor);
handleKeyPresses();
}
public void debug(Surface screen, VPoint endPoint, int type)
{
int color = 0;
switch (type)
{
case 0:
color = 0xFF0000;
break;
case 1:
color = 0x00FF00;
break;
case 2:
color = 0x0000FF;
break;
case 3:
color = 0xFFFFFF;
break;
case 4:
color = 0x888800;
break;
}
// Make sure that the debug output isn't drawn in the scene (in other words, limit the x value to 512, if it exceeds 512 don't draw the line in question)
int x1, x2;
x1 = Location.transform("x");
x2 = endPoint.transform("x");
if (x1 <= 512 && x2 <= 512)
{
screen.Line(x1, Location.transform("y"), x2, endPoint.transform("y"), color);
}
}
Vector3 AugustRay(int x, int y, Vector3 screenpoint, int limit)
{
bool black = true;
Vector3 direction = Vector3.Normalize(screenpoint - cam.position);
Vector2 screenCam = returnScreenCoordinates(cam.position);
Vector3 pixelColor = Vector3.Zero;
float distAtten = 0;
Vector3 lightSum = Vector3.Zero;
Vector3 baselightSum = Vector3.Zero;
Vector3 baseSum = Vector3.Zero;
Primitive basePrim = null;
float baseDist = 0;
Vector3 baseDir = Vector3.Zero;
float shortestDistance = 1000;//1000 should be replaced with the length limit of a ray
//voor deze ray de kortste distance zoeken(zodat dingen achter elkaar niet verschijnen )
float distance = 0;
Primitive currentPrim = null;
ClosestPrim(cam.position, direction, 0, out currentPrim, out distance);
basePrim = currentPrim;
baseDist = distance;
baseDir = direction;
baselightSum = doehetnou(distance, currentPrim, direction);
float recDist = 0;
Vector3 recDir;
Primitive recPrim = null;
Vector3 origin = cam.position;
Vector3 recOrg;
if (currentPrim is Sphere && currentPrim.reflective)
{
//bounce and normal debug
if (y == 0)
{
if (x % (int)(debugMod) == 0)
{
Vector3 bounce = Bounce(direction, distance, currentPrim as Sphere, cam.position);
Vector2 begin = returnScreenCoordinates((distance * direction) + cam.position);
Vector2 eind = returnScreenCoordinates(bounce + ((distance * direction) + cam.position));
Vector2 kamera = returnScreenCoordinates(cam.position);
screen.Line((int)begin.X, (int)begin.Y, (int)eind.X, (int)eind.Y, 0xffff00);
screen.Line((int)kamera.X, (int)kamera.Y, (int)begin.X, (int)begin.Y, 0xffff00);
}
}
SecRay(x, y, (distance * direction) + cam.position, Bounce(direction, distance, currentPrim as Sphere, origin), recursionDepth, out recDist, out recPrim, out recDir, out recOrg);
//if (recDist > 0)
// distance = recDist;
//else
//{
// lightSum += new Vector3(0.1f, 0.1f, 0.1f);
//}
currentPrim = recPrim;
origin = recOrg;
direction = recDir;
}
if (distance != 0 && currentPrim != null)
{
if (distance < shortestDistance)
{
shortestDistance = distance;
}
if (distance * maxDist <= 1)
{
distAtten = 1 - (distance * maxDist);
}
Vector3 point = (distance * direction) - cam.position;
Vector3 basePoint = (baseDist * baseDir) - cam.position;
if (y == 0)
{
if (x % (int)(debugMod) == 0)
{
screenPosition = returnScreenCoordinates(cam.position + direction * shortestDistance);
screen.Line((int)screenCam.X, (int)screenCam.Y, (int)screenPosition.X, (int)screenPosition.Y, 0xff0000);
}
}
//texturing voor de reflectie
if (currentPrim is Plane)
{
int roundOff = (int)new Vector3((direction * distance) + origin).Z;
if (roundOff % 2 == 0)
{
currentPrim.color = new Vector3(1, 1, 1);
}
else
{
currentPrim.color = new Vector3(0.1f, 0.1f, 0.1f);
}
}
#region main light
//light and shadows
foreach (Light l in scene.lights)
{
Vector3 shadowRay = new Vector3(point - l.position);
Vector3 baseRay = new Vector3(basePoint - l.position);
Vector3 lightDirection = Vector3.Normalize(shadowRay);
Vector3 baselightDirection = Vector3.Normalize(baseRay);
if (currentPrim is Sphere)
{
Vector3 sphereNormal = Vector3.Normalize(currentPrim.position - ((direction * distance) + cam.position));
float angle = Vector3.Dot(sphereNormal, lightDirection);
if (angle > epsilon)
{
float distanceAttenuation = 1 - (1 / (shadowRay.Length * shadowRay.Length));
// if (!currentPrim.reflective)
lightSum += LightSumCalc(l, direction, distance, angle, currentPrim, cam.position);
//Console.WriteLine(lightSum);
if (y == 0)
{
if (x % (int)(debugMod) == 0)
{
screenPosition = returnScreenCoordinates(cam.position + direction * shortestDistance);
Vector2 shadowRayScreenPosition = returnScreenCoordinates(point + new Vector3(-shadowRay.X, 0, -shadowRay.Z));
//screen.Line((int)screenPosition.X, (int)screenPosition.Y, (int)shadowRayScreenPosition.X, (int)shadowRayScreenPosition.Y, 0x0000ff);
}
}
}
}
//}
//checkt voor plane hoe de schaduwen vallen
if (currentPrim is Plane)
{
float angle = Vector3.Dot((currentPrim as Plane).normal, lightDirection);
lightSum += LightSumCalc(l, direction, distance, angle, currentPrim, cam.position);
}
if (y == 0)
{
if (x % (int)(debugMod) == 0)
{
screenPosition = returnScreenCoordinates(cam.position + direction * shortestDistance);
Vector2 shadowRayScreenPosition = returnScreenCoordinates(point + new Vector3(-shadowRay.X, 0, -shadowRay.Z));
screen.Line((int)screenPosition.X, (int)screenPosition.Y, (int)shadowRayScreenPosition.X, (int)shadowRayScreenPosition.Y, 0x0000ff);
}
}
}
#endregion
float red = 0, green = 0, blue = 0;
red = 255 * (currentPrim.color.X * (lightSum.X * 0.5f + baselightSum.X * 0.5f)) * (basePrim.color.X);
green = 255 * (currentPrim.color.Y * (lightSum.Y * 0.5f + baselightSum.Y * 0.5f)) * (basePrim.color.Y);
blue = 255 * (currentPrim.color.Z * (lightSum.Z * 0.5f + baselightSum.Z * 0.5f)) * (basePrim.color.Z);
red = Clamp(red, 0, 255);
green = Clamp(green, 0, 255);
blue = Clamp(blue, 0, 255);
pixelColor = new Vector3(red, green, blue);
}
if (y == 0)
{
if (x % (int)(debugMod) == 0)
{
screenPosition = returnScreenCoordinates(cam.position + direction * shortestDistance);
Vector2 normalizedPosition = returnScreenCoordinates(cam.position + direction);
screen.Line((int)screenCam.X, (int)screenCam.Y, (int)screenPosition.X, (int)screenPosition.Y, 0xffff00);
screen.Line((int)screenCam.X, (int)screenCam.Y, (int)normalizedPosition.X, (int)normalizedPosition.Y, 0xff0000);
}
}
for (int i = -2; i < 3; i++)
{
screen.Line((int)screenCam.X - 2, (int)screenCam.Y + i, (int)screenCam.X + 2, (int)screenCam.Y + i, 0x00ff00);
}
return(pixelColor);
}
public void Tick()
{
for (int i = 0; i < 512; i++)
{
for (int j = 0; j < 512; j++)
{
int location = j + i * 1024;
float u = j / 512f;
float v = i / 512f;
Vector3 floatcolor = tracer.Render(u, v);
int intcolor = getIntColor(floatcolor);
screen.pixels[location] = intcolor;
}
}
//Debug Screen
for (int k = 512; k < 1024; k++)
{
for (int l = 0; l < 512; l++)
{
int location = k + l * 1024;
screen.pixels[location] = 0;
}
}
//Draws every sphere, including its own offset and a bonus offset, so that the spheres don't cling to the edges.
//Color offset is a cheap solution to give the spheres a different color each time.
foreach (Sphere sphere in tracer.scene.sphereList)
{
int intcolor = getIntColor(sphere.material.color);
for (int theta = 0; theta < 360; theta++)
{
double xcord = sphere.rad * 5 * Math.Cos(theta);
double ycord = sphere.rad * 5 * Math.Sin(theta);
int offsetX = 5 * (int)sphere.spherePos.X;
int offsetZ = 5 * (int)sphere.spherePos.Z * -1;
screen.Plot((int)xcord + offsetX + 750, (int)ycord + offsetZ + 400, intcolor);
}
}
//Draws the camera in the debug view
screen.Plot((int)tracer.camera.cameraPos.X + 750, (int)tracer.camera.cameraPos.Z * -1 + 400, 0xff0000);
foreach (Light light in tracer.scene.lightList)
{
screen.Plot((int)light.lightPos.X + 750, (int)light.lightPos.Z * -1 + 400, 0xcc66ff);
}
//Draws the primary rays in the debug view
for (int i = 0; i < tracer.raylist.Count; i++)
{
float t = 50;
foreach (Primitive prim in tracer.scene.sphereList)
{
Intersection intersect = prim.Intersect(tracer.raylist[i]);
if (intersect != null)
{
if (intersect.distance < t)
{
t = intersect.distance;
}
}
}
float primOx = tracer.raylist[i].Origin.X;
float primOz = tracer.raylist[i].Origin.Z;
float primTx = (primOx + t * tracer.raylist[i].Direction.X) * 5;
float primTz = (primOz + t * tracer.raylist[i].Direction.Z) * 5;
screen.Line((int)primOx + 750, (int)primOz * -1 + 400, (int)primTx + 750, (int)primTz * -1 + 400, 0xffff00);
}
tracer.raylist.Clear();
//Draws a seperation line.
screen.Line(512, 0, 512, 512, 0xff0000);
app.MoveCam(tracer.camera);
}
// Render: renders one frame
public void Render()
{
screen.Clear(0);
Vector3 Color;
//render screens
for (int y = 0; y < screen.height; y++)
{
for (int x = 0; x < screen.width; x++)
{
//Create primary ray
Ray ray;
ray.t = 30;
ray.O = camera.CamPos;
ray.D = screen.pos0 + (x * ((screen.pos1 - screen.pos0) / 512.0f)) + (y * ((screen.pos2 - screen.pos0) / 512.0f));
//ray normalized direction
ray.D = (ray.D - camera.CamPos).Normalized();
Intersection nearest = null;
Intersection nearestref = null;
foreach (Primitive p in prims)
{
Intersection overr = p.Intersection(ref ray);
if (overr != null)
{
nearest = overr;
}
}
// if there is an intersection, create a shadow ray
if (nearest != null)
{
//Check if the material is reflective
if (nearest.isMirror == false)
{
Color = CastShadowRay(nearest);
}
else
{
Color = CastShadowRay(nearest) * (1 - recursive / 100);
//Create reflection ray
Ray reflectionRay;
reflectionRay.D = ray.D - 2 * nearest.N * (Vector3.Dot(ray.D, nearest.N));
reflectionRay.O = nearest.I + reflectionRay.D * 0.0001f;
reflectionRay.t = 300;
foreach (Primitive p in prims)
{
Intersection overr = p.Intersection(ref reflectionRay);
if (overr != null)
{
nearestref = overr;
}
}
Vector3 Color2 = Vector3.Zero;
if (nearestref != null)
{
//check if the nearest reflected object is reflective to
if (nearestref.isMirror)
{
if (recursive != 100)
{
Color2 = CastShadowRay(nearestref) * (recursive / 100.0f);
}
}
else
{
Color2 = CastShadowRay(nearestref) * (recursive / 100.0f);
}
}
else
{
Color2 = Vector3.Zero;
}
Color = Color + Color2;
//draw reflectionrays on debug screen.
if (x % 20 == 0 && y == screen.height / 2)
{
screenDebug.Line(CordxTrans(reflectionRay.O.X), CordzTrans(reflectionRay.O.Z), CordxTrans(reflectionRay.D.X * ray.t), CordzTrans(reflectionRay.D.Z * ray.t), 0xff00ff);
}
}
}
else
{
Color = Vector3.Zero;
}
//plot the correct color on the correct pixel
screen.Plot(x, y, Color);
//Draw 1 in 10 rays on the debugscreen
if (x % 20 == 0 && y == screen.height / 2)
{
screenDebug.Line(CordxTrans(camera.CamPos.X), CordzTrans(camera.CamPos.Z), CordxTrans(ray.D.X * ray.t + camera.CamPos.X), CordzTrans(ray.D.Z * ray.t + camera.CamPos.Z), 0xffff00);
}
}
}
//Draw Debug screen
//Draw line between screen and debug screen
screenDebug.Line(0, 0, 0, 1024, 0xffffff);
//Draw camera as 2 orange lines
screenDebug.Line(CordxTrans(camera.CamPos.X) - 5, CordzTrans(camera.CamPos.Y) - 1, CordxTrans(camera.CamPos.X) + 5, CordzTrans(camera.CamPos.Y) - 1, 0xffa500);
screenDebug.Line(CordxTrans(camera.CamPos.X) - 5, CordzTrans(camera.CamPos.Y) + 1, CordxTrans(camera.CamPos.X) + 5, CordzTrans(camera.CamPos.Y) + 1, 0xffa500);
//Draw screen as a blue line
screenDebug.Line(CordxTrans(screen.pos1.X), CordzTrans(screen.pos1.Z), CordxTrans(screen.pos2.X), CordzTrans(screen.pos2.Z), 0x00ffff);
//Draw spheres
var sphere1 = GetSphere1;
screenDebug.DrawSphere(sphere1);
var sphere2 = GetSphere2;
screenDebug.DrawSphere(sphere2);
var sphere3 = GetSphere3;
screenDebug.DrawSphere(sphere3);
}
private void DrawLine(float x1, float y1, float x2, float y2, int color)
{
screen.Line(TX(x1), TY(y1), TX(x2), TY(y2), color);
}