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汇总：Unity 记录
摘要：连续地形块的生成。
八个走向的地形-2023/08/31
- 左右走向、2x垂直走向（从左边向下走、从右边向下走）、4x斜方向（左向上、左向下、右向上、右向下）
- 目前想到的地表走向暂时就这些，4个出发点，左右出发点3个方向，上下出发点4个方向，去重剩7个。
- 效果如下。
实现代码-2023/08/30-2023/08/31
- 前面的代码又稍微修改了下，但不重要，这里放核心的代码。
/* ---------- direction ----------
* [horizontal, left] : from left to right
* [horizontal, right] : from left to right
* [vertical, left] : from left-up to right-down
* [vertical, right] : from right-up to left-down
* [left, up] : from left to up
* [left, down] : from left to down
* [right, up] : from right to up
* [right, down] : from right to down
*/
BlockInfo _generate_1DMapBlock_plain(Vector3Int block_offsets, _BlockAround block_around, string[] directions){
Vector3Int BSize = _game_configs.__block_size__; // for convenience
BlockInfo block = new();
int min_h = Mathf.CeilToInt(BSize.y * 0.1f); // min_h also means boundBottom_h or boundTop_h
int max_h = BSize.y - min_h;
int min_w = Mathf.CeilToInt(BSize.x * 0.1f);
int max_w = BSize.x - min_w;
block.offsets = block_offsets;
block.directions = directions;
block.isExist = true;
block.up = new(-1, BSize.y);
block.down = new(-1, 0);
block.left = new(0, -2);
block.right = new(BSize.x - 1, -1);
float scale = 10f;
// ---------- target ----------
block.targets = new();
if (directions[0] == "horizontal"){
if (block_around.left.isExist && block_around.right.isExist) {
block.left.y = block_around.left.right.y;
block.right.y = block_around.right.left.y;
} else if (block_around.left.isExist){
block.left.y = block_around.left.right.y;
block.right.y = Random.Range(min_h, max_h);
} else if (block_around.right.isExist){
block.left.y = Random.Range(min_h, max_h);
block.right.y = block_around.right.left.y;
} else{
block.left.y = Random.Range(min_h, max_h);
block.right.y = Random.Range(min_h, max_h);
}
block.targets.Add(block.left);
block.targets.Add(block.right);
}
else if (directions[0] == "vertical"){
if (directions[1] == "left"){
if (block_around.up.isExist && block_around.down.isExist) {
block.up.x = block_around.up.down.x;
block.down.x = block_around.down.up.x;
} else if (block_around.up.isExist){
block.up.x = block_around.up.down.x;
block.down.x = Random.Range(block.up.x, max_w);
} else if (block_around.down.isExist){
block.down.x = block_around.down.up.x;
block.up.x = Random.Range(min_w, block.down.x);
} else {
block.up.x = Random.Range(min_w, max_w);
block.down.x = Random.Range(block.up.x, max_w);
}
block.targets.Add(new(0, BSize.y));
block.targets.Add(block.up);
block.targets.Add(block.down);
block.targets.Add(new(BSize.x-1, 0));
}
else if (directions[1] == "right"){
if (block_around.up.isExist && block_around.down.isExist) {
block.up.x = block_around.up.down.x;
block.down.x = block_around.down.up.x;
} else if (block_around.up.isExist){
block.up.x = block_around.up.down.x;
block.down.x = Random.Range(min_w, block.up.x);
} else if (block_around.down.isExist){
block.down.x = block_around.down.up.x;
block.up.x = Random.Range(block.down.x, max_w);
} else {
block.up.x = Random.Range(min_w, max_w);
block.down.x = Random.Range(min_w, block.up.x);
}
block.targets.Add(new(0, 0));
block.targets.Add(block.down);
block.targets.Add(block.up);
block.targets.Add(new(BSize.x-1, BSize.y));
}
}
else if (directions[0] == "left"){
if (directions[1] == "up") {
if (block_around.left.isExist && block_around.up.isExist) {
block.left.y = block_around.left.right.y;
block.up.x = block_around.up.down.x;
} else if (block_around.left.isExist) {
block.left.y = block_around.left.right.y;
block.up.x = Random.Range(min_w, max_w);
} else if (block_around.up.isExist) {
block.left.y = Random.Range(min_h, max_h);
block.up.x = block_around.up.down.x;
} else {
block.left.y = Random.Range(min_h, max_h);
block.up.x = Random.Range(min_w, max_w);
}
block.targets.Add(block.left);
block.targets.Add(block.up);
block.targets.Add(new(BSize.x - 1, BSize.y));
}
else if (directions[1] == "down") {
if (block_around.left.isExist && block_around.down.isExist) {
block.left.y = block_around.left.right.y;
block.down.x = block_around.down.up.x;
} else if (block_around.left.isExist) {
block.left.y = block_around.left.right.y;
block.down.x = Random.Range(min_w, max_w);
} else if (block_around.down.isExist) {
block.left.y = Random.Range(min_h, max_h);
block.down.x = block_around.down.up.x;
} else {
block.left.y = Random.Range(min_h, max_h);
block.down.x = Random.Range(min_w, max_w);
}
block.targets.Add(block.left);
block.targets.Add(block.down);
block.targets.Add(new(BSize.x - 1, 0));
}
}
else if (directions[0] == "right"){
if (directions[1] == "up"){
if (block_around.right.isExist && block_around.up.isExist) {
block.right.y = block_around.right.left.y;
block.up.x = block_around.up.down.x;
} else if (block_around.right.isExist) {
block.right.y = block_around.right.left.y;
block.up.x = Random.Range(min_w, max_w);
} else if (block_around.up.isExist) {
block.right.y = Random.Range(min_h, max_h);
block.up.x = block_around.up.down.x;
} else{
block.right.y = Random.Range(min_h, max_h);
block.up.x = Random.Range(min_w, max_w);
}
block.targets.Add(new(0, BSize.y));
block.targets.Add(block.up);
block.targets.Add(block.right);
}
else if (directions[1] == "down"){
if (block_around.right.isExist && block_around.down.isExist) {
block.right.y = block_around.right.left.y;
block.down.x = block_around.down.up.x;
} else if (block_around.right.isExist) {
block.right.y = block_around.right.left.y;
block.down.x = Random.Range(min_w, max_w);
} else if (block_around.down.isExist) {
block.right.y = Random.Range(min_h, max_h);
block.down.x = block_around.down.up.x;
} else {
block.right.y = Random.Range(min_h, max_h);
block.down.x = Random.Range(min_w, max_w);
}
block.targets.Add(new(0, 0));
block.targets.Add(block.down);
block.targets.Add(block.right);
}
}
// ---------- map ----------
block = _fill_1DBlock_plain(scale, block);
return block;
}