private void OnMouseMove(object sender, MouseEventArgs e)
{
if (isMouseDown)
{
float2 offset = new float2((e.X - mouseLocation.x) * mouseSensitivity, (e.Y - mouseLocation.y) * mouseSensitivity);
float c1 = DeviceFunction.Cos(offset.x);
float s1 = DeviceFunction.Sin(offset.x);
float t1 = 1 - c1;
float c2 = DeviceFunction.Cos(offset.y);
float s2 = DeviceFunction.Sin(offset.y);
float t2 = 1 - c2;
float camDist = L(camera);
gpu.Launch(RotateDirection, launchParam, dirDevPtr, y, t1, c1, s1, width, height);
x = RotateVec(x, y, t1, c1, s1);
z = RotateVec(z, y, t1, c1, s1);
camera = RotateVec(camera, y, t1, c1, s1);
gpu.Launch(RotateDirection, launchParam, dirDevPtr, x, t2, c2, s2, width, height);
y = RotateVec(y, x, t2, c2, s2);
z = RotateVec(z, x, t2, c2, s2);
camera = RotateVec(camera, x, t2, c2, s2);
Gpu.Copy(dirDevMem, directions);
x = D(x, L(x));
y = D(y, L(y));
z = D(z, L(z));
ScreenDivider.Panel2.Invalidate();
}
mouseLocation = new int2(e.X, e.Y);
}
// Helpers!
private static void ComputeRippleAtOffset(int x, int y, int width, int height, Action <byte> action)
{
var fx = x - width * 0.5f;
var fy = y - height * 0.5f;
var d = DeviceFunction.Sqrt(fx * fx + fy * fy);
var v = (byte)(128f + 127f * DeviceFunction.Cos(d / 10f) / (d / 10f + 1f));
action(v);
}
public static float3 RotateZ(float3 z, float t)
{
float3 p = z;
float s = DeviceFunction.Sin(t);
float c = DeviceFunction.Cos(t);
p.x = c * z.x + s * z.y;
p.y = c * z.y - s * z.x;
return(p);
}
public static float3 RotateY(float3 z, float t)
{
float3 p = z;
float s = DeviceFunction.Sin(t);
float c = DeviceFunction.Cos(t);
p.x = c * z.x - s * z.z;
p.z = c * z.z + s * z.x;
return(p);
}
public static float3 RotateX(float3 z, float t)
{
float3 p = z;
float s = DeviceFunction.Sin(t);
float c = DeviceFunction.Cos(t);
p.y = c * z.y + s * z.z;
p.z = c * z.z - s * z.y;
return(p);
}
private static void ComputeRippleAtOffset(deviceptr <byte> result, int index, int width, int height)
{
var x = index % width;
var y = index / width;
var offset = ColorComponents * index;
if (offset < 3 * width * height)
{
var fx = x - width * 0.5f;
var fy = y - height * 0.5f;
var d = DeviceFunction.Sqrt(fx * fx + fy * fy);
var v = (byte)(128f + 127f * DeviceFunction.Cos(d / 10f) / (d / 10f + 1f));
result[offset + 0] = v;
result[offset + 1] = v;
result[offset + 2] = v;
}
}
private static double CalkaGPU(double x, double y)
{ //cos(x) + sin(x*y) + 0.1*x^2 - 2*y^2
return(DeviceFunction.Cos(x) + DeviceFunction.Sin(x * y) + 0.1 * x * x - 2 * y * y);
}