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Block buildling and some camera clipping fixes.

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This commit is contained in:
Joshua Sigona 2021-11-07 06:14:21 +09:00
parent 234520ced4
commit 78ffa0d78d
2 changed files with 150 additions and 134 deletions
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262
src/sig/Panel.java
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@ -109,122 +109,31 @@ public class Panel extends JPanel implements Runnable {
Matrix matCamera = Matrix.PointAt(SigRenderer.vCamera, vTarget, vUp);
Matrix matView = Matrix.QuickInverse(matCamera);
for (Triangle t : SigRenderer.triRender) {
if (t.nextRenderTime<=System.currentTimeMillis()) {
Triangle triProjected = new Triangle(),triTransformed=new Triangle(),triViewed=new Triangle();
if (t.b!=null) {
matWorld = Matrix.MakeTranslation(t.b.pos.x,t.b.pos.y,t.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;
triTransformed.b=t.b;
triTransformed.unmodifiedTri=t;
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);
float distSquared = ((triTransformed.b.pos.x-SigRenderer.vCamera.x)*(triTransformed.b.pos.x-SigRenderer.vCamera.x)+
(triTransformed.b.pos.y-SigRenderer.vCamera.y)*(triTransformed.b.pos.y-SigRenderer.vCamera.y)+
(triTransformed.b.pos.z-SigRenderer.vCamera.z)*(triTransformed.b.pos.z-SigRenderer.vCamera.z));
if (Vector.dotProduct(normal,cameraRay)<0&&Vector.dotProduct(cameraRay,SigRenderer.vLookDir)>0.1f&&distSquared<4096) {
Vector lightDir = Vector.multiply(SigRenderer.vLookDir, -1);
lightDir = Vector.normalize(lightDir);
//System.out.println(-Vector.dotProduct(normal,Vector.normalize(cameraRay)));
float dp = 0.1f;
if (t.b!=null) {
dp = Math.max(0.1f,Math.min(1,(1f/((triTransformed.b.pos.x-SigRenderer.vCamera.x)*(triTransformed.b.pos.x-SigRenderer.vCamera.x)+
(triTransformed.b.pos.y-SigRenderer.vCamera.y)*(triTransformed.b.pos.y-SigRenderer.vCamera.y)+
(triTransformed.b.pos.z-SigRenderer.vCamera.z)*(triTransformed.b.pos.z-SigRenderer.vCamera.z))*64)))*0.5f+Math.max(0.1f,Math.min(1,1-Vector.dotProduct(normal,SigRenderer.vLookDir)))*0.5f;
} else {
dp = Math.max(0.1f,Vector.dotProduct(lightDir,normal));
}
/*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/((triTransformed.b.pos.x-SigRenderer.vCamera.x)*(triTransformed.b.pos.x-SigRenderer.vCamera.x)+
(triTransformed.b.pos.y-SigRenderer.vCamera.y)*(triTransformed.b.pos.y-SigRenderer.vCamera.y)+
(triTransformed.b.pos.z-SigRenderer.vCamera.z)*(triTransformed.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);
triTransformed.copyExtraDataTo(triViewed);
triViewed.setColor((0)+(0<<8)+((int)(dp*255)<<16));
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.b=clipped[i].b;
triProjected.unmodifiedTri=clipped[i].unmodifiedTri;
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);
}
} else {
t.nextRenderTime=System.currentTimeMillis()+200;
}
for (String key : SigRenderer.blockGrid.keySet()) {
Block b = SigRenderer.blockGrid.get(key);
if (!b.neighbors.UP) {
prepareTriForRender(matWorld, matView, b.block.triangles.get(8), accumulatedTris);
prepareTriForRender(matWorld, matView, b.block.triangles.get(9), accumulatedTris);
}
if (!b.neighbors.DOWN) {
prepareTriForRender(matWorld, matView, b.block.triangles.get(10), accumulatedTris);
prepareTriForRender(matWorld, matView, b.block.triangles.get(11), accumulatedTris);
}
if (!b.neighbors.LEFT) {
prepareTriForRender(matWorld, matView, b.block.triangles.get(6), accumulatedTris);
prepareTriForRender(matWorld, matView, b.block.triangles.get(7), accumulatedTris);
}
if (!b.neighbors.RIGHT) {
prepareTriForRender(matWorld, matView, b.block.triangles.get(2), accumulatedTris);
prepareTriForRender(matWorld, matView, b.block.triangles.get(3), accumulatedTris);
}
if (!b.neighbors.FORWARD) {
prepareTriForRender(matWorld, matView, b.block.triangles.get(4), accumulatedTris);
prepareTriForRender(matWorld, matView, b.block.triangles.get(5), accumulatedTris);
}
if (!b.neighbors.BACKWARD) {
prepareTriForRender(matWorld, matView, b.block.triangles.get(0), accumulatedTris);
prepareTriForRender(matWorld, matView, b.block.triangles.get(1), accumulatedTris);
}
}
if (SigRenderer.PROFILING) {
@ -303,6 +212,127 @@ public class Panel extends JPanel implements Runnable {
}
}
private void prepareTriForRender(Matrix matWorld, Matrix matView, Triangle t, List<Triangle> accumulatedTris) {
if (t.nextRenderTime<=System.currentTimeMillis()) {
Triangle triProjected = new Triangle(),triTransformed=new Triangle(),triViewed=new Triangle();
if (t.b!=null) {
matWorld = Matrix.MakeTranslation(t.b.pos.x,t.b.pos.y,t.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;
triTransformed.b=t.b;
triTransformed.unmodifiedTri=t;
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 center = Vector.divide(Vector.add(triTransformed.A,Vector.add(triTransformed.B,triTransformed.C)),3);
Vector cameraRay = Vector.subtract(center,SigRenderer.vCamera);
float distSquared = ((triTransformed.b.pos.x-SigRenderer.vCamera.x)*(triTransformed.b.pos.x-SigRenderer.vCamera.x)+
(triTransformed.b.pos.y-SigRenderer.vCamera.y)*(triTransformed.b.pos.y-SigRenderer.vCamera.y)+
(triTransformed.b.pos.z-SigRenderer.vCamera.z)*(triTransformed.b.pos.z-SigRenderer.vCamera.z));
if (Vector.dotProduct(normal,cameraRay)<0&&Vector.dotProduct(cameraRay,SigRenderer.vLookDir)>-0.2f&&distSquared<4096) {
Vector lightDir = Vector.multiply(SigRenderer.vLookDir, -1);
lightDir = Vector.normalize(lightDir);
//System.out.println(-Vector.dotProduct(normal,Vector.normalize(cameraRay)));
float dp = 0.1f;
if (t.b!=null) {
dp = Math.max(0.1f,Math.min(1,(1f/((triTransformed.b.pos.x-SigRenderer.vCamera.x)*(triTransformed.b.pos.x-SigRenderer.vCamera.x)+
(triTransformed.b.pos.y-SigRenderer.vCamera.y)*(triTransformed.b.pos.y-SigRenderer.vCamera.y)+
(triTransformed.b.pos.z-SigRenderer.vCamera.z)*(triTransformed.b.pos.z-SigRenderer.vCamera.z))*64)))*0.5f+Math.max(0.1f,Math.min(1,1-Vector.dotProduct(normal,SigRenderer.vLookDir)))*0.5f;
} else {
dp = Math.max(0.1f,Vector.dotProduct(lightDir,normal));
}
/*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/((triTransformed.b.pos.x-SigRenderer.vCamera.x)*(triTransformed.b.pos.x-SigRenderer.vCamera.x)+
(triTransformed.b.pos.y-SigRenderer.vCamera.y)*(triTransformed.b.pos.y-SigRenderer.vCamera.y)+
(triTransformed.b.pos.z-SigRenderer.vCamera.z)*(triTransformed.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);
triTransformed.copyExtraDataTo(triViewed);
triViewed.setColor((0)+(0<<8)+((int)(dp*255)<<16));
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.b=clipped[i].b;
triProjected.unmodifiedTri=clipped[i].unmodifiedTri;
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);
}
} else {
t.nextRenderTime=System.currentTimeMillis()+200;
}
}
}
public void repaint() {
super.repaint();
}

20
src/sig/SigRenderer.java
View File

@ -96,7 +96,7 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
yaw+=TURNSPEED;
}
if (answer!=null) {
System.out.println(answer);
addBlock(Vector.add(answer.pos,new Vector(0,1,0)),BlockType.PLANKS);
answer=null;
}
}
@ -107,24 +107,11 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
b.updateFaces();
}
public static void updateRenderGrid() {
triRender.clear();
for (String key : blockGrid.keySet()) {
Block b = blockGrid.get(key);
if (!b.neighbors.UP) {triRender.add(b.block.triangles.get(8));triRender.add(b.block.triangles.get(9));}
if (!b.neighbors.DOWN) {triRender.add(b.block.triangles.get(10));triRender.add(b.block.triangles.get(11));}
if (!b.neighbors.LEFT) {triRender.add(b.block.triangles.get(6));triRender.add(b.block.triangles.get(7));}
if (!b.neighbors.RIGHT) {triRender.add(b.block.triangles.get(2));triRender.add(b.block.triangles.get(3));}
if (!b.neighbors.FORWARD) {triRender.add(b.block.triangles.get(4));triRender.add(b.block.triangles.get(5));}
if (!b.neighbors.BACKWARD) {triRender.add(b.block.triangles.get(0));triRender.add(b.block.triangles.get(1));}
}
}
SigRenderer(JFrame f) {
//cube = new Mesh(OBJReader.ReadOBJFile("teapot.obj",false));
Random r = new Random(438107);
for (int x=0;x<128;x++) {
for (int z=0;z<128;z++) {
for (int x=0;x<64;x++) {
for (int z=0;z<64;z++) {
if (Math.random()<=0.5) {
addBlock(new Vector(x,0,z),BlockType.DIRT);
} else {
@ -132,7 +119,6 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
}
}
}
updateRenderGrid();
Panel p = new Panel();