public void UpdateCameraRotation(float r)
{
CameraRotation += r;
CameraForward = CustomMath.SimpleRotateVectorByRadian(CameraForward, r);
CameraLeft = CustomMath.SimpleRotateVectorByDegree(CameraForward, 90);
CameraRight = CustomMath.SimpleRotateVectorByDegree(CameraForward, -90);
}
public void UpdateVisibleFaces(List <Model> batch)
{
foreach (var model in batch)
{
var mesh = model.Mesh;
var modelPosition = model.Position;
var yRot = model.RotationY;
var xRot = model.RotationX;
var modelMatrix = Matrix.RotationMatrixY(yRot) * Matrix.RotationMatrixX(xRot) *
Matrix.Translation(modelPosition);
var angle2 = CustomMath.ConvertRadiansToDegrees(CustomMath.SimpleAngleBetweenTwoVectors(CameraForward, modelPosition - CameraPosition));
if (angle2 > 90 || angle2 < -90)
{
break;
}
for (int i = 0; i < mesh.Triangles.Length; i++)
{
Triangle tri = mesh.Triangles[i];
Triangle transformed = tri.MatMul(modelMatrix);
transformed = transformed.MatMul(viewMatrix);
transformed = transformed.MatMul(projectionMatrix);
Vector3 normal, line1, line2;
line1 = transformed.p[1] - transformed.p[0];
line2 = transformed.p[2] - transformed.p[0];
normal = Vector3.Cross(line1, line2);
normal = Vector3.Normalize(normal);
if (Vector3.Dot(normal, transformed.p[0] - CameraPosition) < 0.0f)
{
Triangle projected = transformed;
Vector3 offsetView = new Vector3(1, 1, 0);
projected.p[0] += offsetView;
projected.p[1] += offsetView;
projected.p[2] += offsetView;
projected.p[0].X *= 0.5f * consoleWidth; projected.p[0].Y *= 0.5f * consoleHeight;
projected.p[1].X *= 0.5f * consoleWidth; projected.p[1].Y *= 0.5f * consoleHeight;
projected.p[2].X *= 0.5f * consoleWidth; projected.p[2].Y *= 0.5f * consoleHeight;
float l = Vector3.Dot(lightDirection, normal);
ConsoleCharacter character;
if (l > 1)
{
character = ConsoleCharacter.Full;
}
else if (l > 0.7)
{
character = ConsoleCharacter.Dark;
}
else if (l > 0.4)
{
character = ConsoleCharacter.Medium;
}
else
{
character = ConsoleCharacter.Light;
}
projected.c = character;
trianglesToRaster.Add(projected);
}
}
}
// sortowanie
trianglesToRaster.Sort((t1, t2) => ((t2.p[0].Z + t2.p[1].Z + t2.p[2].Z).CompareTo((t1.p[0].Z + t1.p[1].Z + t1.p[2].Z))));
}