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SigRenderer2
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Many blocks.

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Co-authored-by: sigonasr2 <sigonasr2@gmail.com>
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sigonasr2, Sig, Sigo 3 years ago
parent 7aaa75d5a5
commit c39412e144
3 changed files with 121 additions and 97 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 10
      src/sig/Block.java
  2. 191
      src/sig/Panel.java
  3. 13
      src/sig/SigRenderer.java

10
src/sig/Block.java
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@ -0,0 +1,10 @@
package sig;
public class Block {
Vector pos;
Mesh block;
Block(Vector pos,Mesh block) {
this.pos=pos;
this.block=block;
}
}

191
src/sig/Panel.java
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@ -103,100 +103,105 @@ public class Panel extends JPanel implements Runnable {
Matrix matCamera = Matrix.PointAt(SigRenderer.vCamera, vTarget, vUp);
Matrix matView = Matrix.QuickInverse(matCamera);
for (Triangle t : SigRenderer.cube.triangles) {
Triangle triProjected = new Triangle(),triTransformed=new Triangle(),triViewed=new Triangle();
//matWorld = Matrix.MakeTranslation(10,0,0);
triTransformed.A = Matrix.MultiplyVector(matWorld,t.A);
triTransformed.B = Matrix.MultiplyVector(matWorld,t.B);
triTransformed.C = Matrix.MultiplyVector(matWorld,t.C);
triTransformed.T = t.T;
triTransformed.U = t.U;
triTransformed.V = t.V;
triTransformed.tex = t.tex;
Vector normal=new Vector(),line1=new Vector(),line2=new Vector();
line1 = Vector.subtract(triTransformed.B,triTransformed.A);
line2 = Vector.subtract(triTransformed.C,triTransformed.A);
normal = Vector.crossProduct(line1,line2);
normal = Vector.normalize(normal);
Vector cameraRay = Vector.subtract(triTransformed.A,SigRenderer.vCamera);
if (Vector.dotProduct(normal,cameraRay)<0) {
/*Vector lightDir = Vector.multiply(SigRenderer.vLookDir, -1);
lightDir = Vector.normalize(lightDir);*/
//System.out.println(-Vector.dotProduct(normal,Vector.normalize(cameraRay)));
//float dp = Math.max(0.1f,Math.min(1,-1/Vector.dotProduct(normal,cameraRay)));
Vector center = Vector.divide(Vector.add(triTransformed.A,Vector.add(triTransformed.B,triTransformed.C)),3);
Vector cameraRay2 = Vector.subtract(center,SigRenderer.vCamera);
float dp = Math.max(0.1f,Math.min(1,(1f/((cameraRay2.x-center.x)*(cameraRay2.x-center.x)+
(cameraRay2.y-center.y)*(cameraRay2.y-center.y)+
(cameraRay2.z-center.z)*(cameraRay2.z-center.z))*4)));
triViewed.A = Matrix.MultiplyVector(matView,triTransformed.A);
triViewed.B = Matrix.MultiplyVector(matView,triTransformed.B);
triViewed.C = Matrix.MultiplyVector(matView,triTransformed.C);
triViewed.setColor(new Color(dp,dp,dp));
triViewed.T = triTransformed.T;
triViewed.U = triTransformed.U;
triViewed.V = triTransformed.V;
triViewed.tex = triTransformed.tex;
int clippedTriangles = 0;
Triangle[] clipped = new Triangle[]{new Triangle(),new Triangle()};
clippedTriangles = Triangle.ClipAgainstPlane(new Vector(0,0,0.1f),new Vector(0,0,1), triViewed, clipped);
for (int i=0;i<clippedTriangles;i++) {
if (i>0) {
triProjected = new Triangle();
for (Block b : SigRenderer.blocks) {
for (Triangle t : b.block.triangles) {
Triangle triProjected = new Triangle(),triTransformed=new Triangle(),triViewed=new Triangle();
matWorld = Matrix.MakeTranslation(b.pos.x,b.pos.y,b.pos.z);
triTransformed.A = Matrix.MultiplyVector(matWorld,t.A);
triTransformed.B = Matrix.MultiplyVector(matWorld,t.B);
triTransformed.C = Matrix.MultiplyVector(matWorld,t.C);
triTransformed.T = t.T;
triTransformed.U = t.U;
triTransformed.V = t.V;
triTransformed.tex = t.tex;
Vector normal=new Vector(),line1=new Vector(),line2=new Vector();
line1 = Vector.subtract(triTransformed.B,triTransformed.A);
line2 = Vector.subtract(triTransformed.C,triTransformed.A);
normal = Vector.crossProduct(line1,line2);
normal = Vector.normalize(normal);
Vector cameraRay = Vector.subtract(triTransformed.A,SigRenderer.vCamera);
if (Vector.dotProduct(normal,cameraRay)<0) {
/*Vector lightDir = Vector.multiply(SigRenderer.vLookDir, -1);
lightDir = Vector.normalize(lightDir);*/
//System.out.println(-Vector.dotProduct(normal,Vector.normalize(cameraRay)));
//float dp = Math.max(0.1f,Math.min(1,-1/Vector.dotProduct(normal,cameraRay)));
/*Vector center = Vector.divide(Vector.add(triTransformed.A,Vector.add(triTransformed.B,triTransformed.C)),3);
Vector cameraRay2 = Vector.subtract(center,SigRenderer.vCamera);
float dp = Math.max(0.1f,Math.min(1,(1f/((cameraRay2.x-center.x)*(cameraRay2.x-center.x)+
(cameraRay2.y-center.y)*(cameraRay2.y-center.y)+
(cameraRay2.z-center.z)*(cameraRay2.z-center.z))*4)));*/
float dp = Math.max(0.1f,Math.min(1,(1f/((b.pos.x-SigRenderer.vCamera.x)+
(b.pos.y-SigRenderer.vCamera.y)*(b.pos.y-SigRenderer.vCamera.y)+
(b.pos.z-SigRenderer.vCamera.z)*(b.pos.z-SigRenderer.vCamera.z))*4)));
triViewed.A = Matrix.MultiplyVector(matView,triTransformed.A);
triViewed.B = Matrix.MultiplyVector(matView,triTransformed.B);
triViewed.C = Matrix.MultiplyVector(matView,triTransformed.C);
triViewed.setColor(new Color(dp,dp,dp));
triViewed.T = triTransformed.T;
triViewed.U = triTransformed.U;
triViewed.V = triTransformed.V;
triViewed.tex = triTransformed.tex;
int clippedTriangles = 0;
Triangle[] clipped = new Triangle[]{new Triangle(),new Triangle()};
clippedTriangles = Triangle.ClipAgainstPlane(new Vector(0,0,0.1f),new Vector(0,0,1), triViewed, clipped);
for (int i=0;i<clippedTriangles;i++) {
if (i>0) {
triProjected = new Triangle();
}
triProjected.A = Matrix.MultiplyVector(SigRenderer.matProj,clipped[i].A);
triProjected.B = Matrix.MultiplyVector(SigRenderer.matProj,clipped[i].B);
triProjected.C = Matrix.MultiplyVector(SigRenderer.matProj,clipped[i].C);
triProjected.col = clipped[i].col;
triProjected.tex = clipped[i].tex;
triProjected.T = (Vector2)clipped[i].T.clone();
triProjected.U = (Vector2)clipped[i].U.clone();
triProjected.V = (Vector2)clipped[i].V.clone();
triProjected.T.u = triProjected.T.u/triProjected.A.w;
triProjected.U.u = triProjected.U.u/triProjected.B.w;
triProjected.V.u = triProjected.V.u/triProjected.C.w;
triProjected.T.v = triProjected.T.v/triProjected.A.w;
triProjected.U.v = triProjected.U.v/triProjected.B.w;
triProjected.V.v = triProjected.V.v/triProjected.C.w;
triProjected.T.w = 1.0f/triProjected.A.w;
triProjected.U.w = 1.0f/triProjected.B.w;
triProjected.V.w = 1.0f/triProjected.C.w;
triProjected.A = Vector.divide(triProjected.A, triProjected.A.w);
triProjected.B = Vector.divide(triProjected.B, triProjected.B.w);
triProjected.C = Vector.divide(triProjected.C, triProjected.C.w);
triProjected.A.x*=-1f;
triProjected.A.y*=-1f;
triProjected.B.x*=-1f;
triProjected.B.y*=-1f;
triProjected.C.x*=-1f;
triProjected.C.y*=-1f;
Vector viewOffset = new Vector(1,1,0);
triProjected.A = Vector.add(triProjected.A,viewOffset);
triProjected.B = Vector.add(triProjected.B,viewOffset);
triProjected.C = Vector.add(triProjected.C,viewOffset);
triProjected.A.x*=0.5f*SigRenderer.SCREEN_WIDTH;
triProjected.A.y*=0.5f*SigRenderer.SCREEN_HEIGHT;
triProjected.B.x*=0.5f*SigRenderer.SCREEN_WIDTH;
triProjected.B.y*=0.5f*SigRenderer.SCREEN_HEIGHT;
triProjected.C.x*=0.5f*SigRenderer.SCREEN_WIDTH;
triProjected.C.y*=0.5f*SigRenderer.SCREEN_HEIGHT;
accumulatedTris.add(triProjected);
}
triProjected.A = Matrix.MultiplyVector(SigRenderer.matProj,clipped[i].A);
triProjected.B = Matrix.MultiplyVector(SigRenderer.matProj,clipped[i].B);
triProjected.C = Matrix.MultiplyVector(SigRenderer.matProj,clipped[i].C);
triProjected.col = clipped[i].col;
triProjected.tex = clipped[i].tex;
triProjected.T = (Vector2)clipped[i].T.clone();
triProjected.U = (Vector2)clipped[i].U.clone();
triProjected.V = (Vector2)clipped[i].V.clone();
triProjected.T.u = triProjected.T.u/triProjected.A.w;
triProjected.U.u = triProjected.U.u/triProjected.B.w;
triProjected.V.u = triProjected.V.u/triProjected.C.w;
triProjected.T.v = triProjected.T.v/triProjected.A.w;
triProjected.U.v = triProjected.U.v/triProjected.B.w;
triProjected.V.v = triProjected.V.v/triProjected.C.w;
triProjected.T.w = 1.0f/triProjected.A.w;
triProjected.U.w = 1.0f/triProjected.B.w;
triProjected.V.w = 1.0f/triProjected.C.w;
triProjected.A = Vector.divide(triProjected.A, triProjected.A.w);
triProjected.B = Vector.divide(triProjected.B, triProjected.B.w);
triProjected.C = Vector.divide(triProjected.C, triProjected.C.w);
triProjected.A.x*=-1f;
triProjected.A.y*=-1f;
triProjected.B.x*=-1f;
triProjected.B.y*=-1f;
triProjected.C.x*=-1f;
triProjected.C.y*=-1f;
Vector viewOffset = new Vector(1,1,0);
triProjected.A = Vector.add(triProjected.A,viewOffset);
triProjected.B = Vector.add(triProjected.B,viewOffset);
triProjected.C = Vector.add(triProjected.C,viewOffset);
triProjected.A.x*=0.5f*SigRenderer.SCREEN_WIDTH;
triProjected.A.y*=0.5f*SigRenderer.SCREEN_HEIGHT;
triProjected.B.x*=0.5f*SigRenderer.SCREEN_WIDTH;
triProjected.B.y*=0.5f*SigRenderer.SCREEN_HEIGHT;
triProjected.C.x*=0.5f*SigRenderer.SCREEN_WIDTH;
triProjected.C.y*=0.5f*SigRenderer.SCREEN_HEIGHT;
accumulatedTris.add(triProjected);
}
}
}

13
src/sig/SigRenderer.java
Unescape View File

@ -10,6 +10,7 @@ import java.awt.event.MouseMotionListener;
import java.io.File;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.awt.Toolkit;
@ -19,7 +20,7 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
public static boolean WIREFRAME = false;
public static Mesh cube;
public static List<Block> blocks = new ArrayList<Block>();
public static int SCREEN_WIDTH=1280;
public static int SCREEN_HEIGHT=720;
public final static long TIMEPERTICK = 16666667l;
@ -84,7 +85,15 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
SigRenderer(JFrame f) {
//cube = new Mesh(OBJReader.ReadOBJFile("teapot.obj",false));
cube = new Mesh("cube.obj","dirt.png");
Mesh dirtCube = new Mesh("cube.obj","dirt.png");
for (int x=0;x<32;x++) {
for (int y=0;y<32;y++) {
blocks.add(new Block(
new Vector(x,0,y),
dirtCube
));
}
}
Panel p = new Panel();

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