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SkyBox.java
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149 lines (133 loc) · 4.96 KB
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import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
class SkyBox {
BufferedImage front;
BufferedImage back;
BufferedImage left;
BufferedImage right;
BufferedImage up;
BufferedImage down;
public SkyBox() {
front = null;
back = null;
left = null;
right = null;
up = null;
down = null;
}
public void SetFrontFace(String location) {
try {
front = ImageIO.read(new File(location));
} catch (IOException e) {
e.printStackTrace();
}
}
public void SetBackFace(String location) {
try {
back = ImageIO.read(new File(location));
} catch (IOException e) {
e.printStackTrace();
}
}
public void SetLeftFace(String location) {
try {
left = ImageIO.read(new File(location));
} catch (IOException e) {
e.printStackTrace();
}
}
public void SetRightFace(String location) {
try {
right = ImageIO.read(new File(location));
} catch (IOException e) {
e.printStackTrace();
}
}
public void SetUpFace(String location) {
try {
up = ImageIO.read(new File(location));
} catch (IOException e) {
e.printStackTrace();
}
}
public void SetDownFace(String location) {
try {
down = ImageIO.read(new File(location));
} catch (IOException e) {
e.printStackTrace();
}
}
void Render(Graphics2D g, Point cameradirection) {
BufferedImage leftmost;
BufferedImage rightmost;
BufferedImage toporbot = cameradirection.GetExY() > 0 ? up : down;
if (cameradirection.GetExZ() > 0) {
if (cameradirection.GetExX() > 0) {// DONE
leftmost = front;
rightmost = right;
double tan = Math.toDegrees(Math.atan(cameradirection.GetExX() / cameradirection.GetExZ()));
int coorx = (int) (tan * -14.222222);
double ycoor = (cameradirection.GetExY() > 0 ? 1 : -1) * 11.111111
* Util.Get_Angle_Between_Vectors(cameradirection, new Point(0, 0, 0),
new Point(cameradirection.GetExX(), 0, cameradirection.GetExZ()));
g.drawImage(leftmost, coorx, (int) (ycoor), 1280, 1000, null);
g.drawImage(rightmost, coorx + 1280, (int) (ycoor), 1280, 1000, null);
g.drawImage(toporbot, coorx, toporbot == up ? (int) (ycoor - 1000) : (int) (ycoor + 1000), 1280, 1000,
null);
// g.drawImage(toporbot, coorx + 1280, toporbot == up ? (int)(ycoor - 1000) :
// (int)(ycoor + 1000), 1280, 1000, null);
} else {
leftmost = left;
rightmost = front;
double tan = Math.toDegrees(Math.atan(cameradirection.GetExX() / cameradirection.GetExZ()));
int coorx = (int) (tan * -14.222222);
double ycoor = (cameradirection.GetExY() > 0 ? 1 : -1) * 11.111111
* Util.Get_Angle_Between_Vectors(cameradirection, new Point(0, 0, 0),
new Point(cameradirection.GetExX(), 0, cameradirection.GetExZ()));
g.drawImage(leftmost, coorx - 1280, (int) (ycoor), 1280, 1000, null);
g.drawImage(rightmost, coorx, (int) (ycoor), 1280, 1000, null);
g.drawImage(toporbot, coorx, toporbot == up ? (int) (ycoor - 1000) : (int) (ycoor + 1000), 1280, 1000,
null);
// g.drawImage(toporbot, coorx, toporbot == up ? (int)(ycoor - 1000) :
// (int)(ycoor + 1000), 1280, 1000, null);
}
} else {
if (cameradirection.GetExX() > 0) {
leftmost = back;
rightmost = right;
Point turned = new Point(-cameradirection.GetExX(), cameradirection.GetExY(),
-cameradirection.GetExZ());
double tan = Math.toDegrees(Math.atan(turned.GetExZ() / turned.GetExX()));
int coorx = (int) (tan * 14.222222);
double ycoor = (cameradirection.GetExY() > 0 ? 1 : -1) * 11.111111
* Util.Get_Angle_Between_Vectors(cameradirection, new Point(0, 0, 0),
new Point(cameradirection.GetExX(), 0, cameradirection.GetExZ()));
g.drawImage(leftmost, coorx + 1280, (int) (ycoor), 1280, 1000, null);
g.drawImage(rightmost, coorx, (int) (ycoor), 1280, 1000, null);
g.drawImage(toporbot, coorx + 1280, toporbot == up ? (int) (ycoor - 1000) : (int) (ycoor + 1000), 1280,
1000, null);
// g.drawImage(toporbot, coorx, toporbot == up ? (int)(ycoor - 1000) :
// (int)(ycoor + 1000), 1280, 1000, null);
} else {
leftmost = back;
rightmost = left;
Point turned = new Point(-cameradirection.GetExX(), cameradirection.GetExY(),
-cameradirection.GetExZ());
double tan = Math.toDegrees(Math.atan(turned.GetExZ() / turned.GetExX()));
int coorx = (int) (tan * 14.222222);
double ycoor = (cameradirection.GetExY() > 0 ? 1 : -1) * 11.111111
* Util.Get_Angle_Between_Vectors(cameradirection, new Point(0, 0, 0),
new Point(cameradirection.GetExX(), 0, cameradirection.GetExZ()));
g.drawImage(leftmost, coorx - 1280, (int) (ycoor), 1280, 1000, null);
g.drawImage(rightmost, coorx, (int) (ycoor), 1280, 1000, null);
g.drawImage(toporbot, coorx - 1280, toporbot == up ? (int) (ycoor - 1000) : (int) (ycoor + 1000), 1280,
1000, null);
// g.drawImage(toporbot, coorx, toporbot == up ? (int)(ycoor - 1000) :
// (int)(ycoor + 1000), 1280, 1000, null);
}
}
}
}