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Euclidean square grid

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Zeno Rogue
2017-12-18 13:00:36 +01:00
parent 3e0f751a2c
commit 836ed087df
7 changed files with 105 additions and 32 deletions
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50
hypgraph.cpp
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@@ -374,26 +374,47 @@ int mindx=-7, mindy=-7, maxdx=7, maxdy=7;
transmatrix eumove(ld x, ld y) {
transmatrix Mat = Id;
Mat[2][2] = 1;
Mat[0][2] += (x + y * .5) * eurad;
// Mat[2][0] += (x + y * .5) * eurad;
Mat[1][2] += y * q3 /2 * eurad;
// Mat[2][1] += y * q3 /2 * eurad;
if(a4) {
Mat[0][2] += x * eurad;
Mat[1][2] += y * eurad;
}
else {
Mat[0][2] += (x + y * .5) * eurad;
// Mat[2][0] += (x + y * .5) * eurad;
Mat[1][2] += y * q3 /2 * eurad;
// Mat[2][1] += y * q3 /2 * eurad;
}
ld v = a4 ? 1 : q3;
while(Mat[0][2] <= -16384 * eurad) Mat[0][2] += 32768 * eurad;
while(Mat[0][2] >= 16384 * eurad) Mat[0][2] -= 32768 * eurad;
while(Mat[1][2] <= -16384 * q3 * eurad) Mat[1][2] += 32768 * q3 * eurad;
while(Mat[1][2] >= 16384 * q3 * eurad) Mat[1][2] -= 32768 * q3 * eurad;
while(Mat[1][2] <= -16384 * v * eurad) Mat[1][2] += 32768 * v * eurad;
while(Mat[1][2] >= 16384 * v * eurad) Mat[1][2] -= 32768 * v * eurad;
return Mat;
}
transmatrix eumovedir(int d) {
d = fix6(d);
switch(d) {
case 0: return eumove(1,0);
case 1: return eumove(0,1);
case 2: return eumove(-1,1);
case 3: return eumove(-1,0);
case 4: return eumove(0,-1);
case 5: return eumove(1,-1);
if(a4) {
d = d & 3;
switch(d) {
case 0: return eumove(1,0);
case 1: return eumove(0,1);
case 2: return eumove(-1,0);
case 3: return eumove(0,-1);
}
}
else {
d = fix6(d);
switch(d) {
case 0: return eumove(1,0);
case 1: return eumove(0,1);
case 2: return eumove(-1,1);
case 3: return eumove(-1,0);
case 4: return eumove(0,-1);
case 5: return eumove(1,-1);
}
}
return eumove(0,0);
}
@@ -404,6 +425,7 @@ ld matrixnorm(const transmatrix& Mat) {
void drawEuclidean() {
DEBB(DF_GRAPH, (debugfile,"drawEuclidean\n"));
sphereflip = Id;
eucoord px=0, py=0;
if(!centerover) centerover = cwt.c;
// printf("centerover = %p player = %p [%d,%d]-[%d,%d]\n", lcenterover, cwt.c,