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Ver2.2
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增强弹跳能力
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@zouhuidong
zouhuidong authored Jan 13, 2021
1 parent a02facb commit 1006572
Showing 1 changed file with 132 additions and 132 deletions.
264 changes: 132 additions & 132 deletions main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@
// huidong <[email protected]>
//
// 创建时间：2020.11.27
// 最后修改：2021.1.3
// 最后修改：2021.1.13
//

#include <easyx.h>
Expand All @@ -16,7 +16,7 @@
#include <stdio.h>
#include <stdlib.h>

#define KEY_DOWN(VK_NONAME) ((GetAsyncKeyState(VK_NONAME) & 0x8000) ? 1:0)
#define KEY_DOWN(VK_NONAME) ((GetAsyncKeyState(VK_NONAME) & 0x8000) ? 1 : 0)
#define RandNum(min, max) (rand() % (max - min + 1) + min)

// 时间计算（仅debug状态下有效）
Expand Down Expand Up @@ -139,9 +139,9 @@ void init_graph()
#else
initgraph(WINDOW_WIDTH, WINDOW_HEIGHT);
#endif

TIMEC_INIT
setbkcolor(m_colorBk);
setbkcolor(m_colorBk);
setbkmode(TRANSPARENT);
cleardevice();
BeginBatchDraw();
Expand Down Expand Up @@ -237,8 +237,8 @@ void init_game(Player* player)

SetWorkingImage();

player->fPlayerX = (float) player->rctBlocks[0].left;
player->fPlayerY = (float) m_nBlockTop;
player->fPlayerX = (float)player->rctBlocks[0].left;
player->fPlayerY = (float)m_nBlockTop;
}

void draw_player(Player* player)
Expand Down Expand Up @@ -319,7 +319,7 @@ void user_input(Player* player)
const float fJumpPrepareHeight = (float)0.03;

// 跳跃距离增值，通过计算确保小人的弹跳力可以跳到下一个方块
const float fJumpLength = (float)(m_nMaxInterval * 1.8 / (m_nMaxPlayerSize - m_nMinPlayerSize) * fJumpPrepareHeight);
const float fJumpLength = (float)(m_nMaxInterval * 2.7 / (m_nMaxPlayerSize - m_nMinPlayerSize) * fJumpPrepareHeight);

player->fPlayerSize -= fJumpPrepareHeight;
player->fJumpDistance += fJumpLength;
Expand All @@ -343,162 +343,162 @@ void game_run(Player* player)
{
printf("基础绘制：");
TIMEC_BEGIN
draw(player);
draw(player);
TIMEC_END

// 跳起
if (player->bJump)
{
player->bJump = false;

// 由于xy坐标会变化，现在存起来
float x = player->fPlayerX;
float y = player->fPlayerY;
// 跳起
if (player->bJump)
{
player->bJump = false;

// 是否已经跳出
bool bJumped = false;
// 由于xy坐标会变化，现在存起来
float x = player->fPlayerX;
float y = player->fPlayerY;

// 是否锁定x坐标
bool bLockX = false;
// 是否已经跳出
bool bJumped = false;

// 锁定的x坐标值
float fLockX = 0;
// 是否锁定x坐标
bool bLockX = false;

// y坐标误差判定长度，即y坐标在多大的范围内仍然进行判定
int nOffsetY = 1;
// 锁定的x坐标值
float fLockX = 0;

// 玩家碰到物体外壁时，玩家和物体的x坐标差最大值
int nOffsetHitX = 3;
// y坐标误差判定长度，即y坐标在多大的范围内仍然进行判定
int nOffsetY = 1;

// 重力
float fG = (y - player->fPlayerY) / 3;
// 玩家碰到物体外壁时，玩家和物体的x坐标差最大值
int nOffsetHitX = 3;

// 根据时间动态设置跳跃长度，实现fps稳定
clock_t cTime = clock();
// 重力
float fG = (y - player->fPlayerY) / 3;

// 跳跃的同时恢复身高
for (; player->fPlayerSize < m_nMaxPlayerSize;)
{
cTime = clock();
player->fPlayerSize += (float)((clock() - cTime) * 0.5 + 0.3);
draw_player(player); // 人物只会越变越大，故只重绘人物
FlushBatchDraw();
}

// 跳跃
for (; ; player->fPlayerX += (float)((clock() - cTime) * 0.3 + 1))
{
cTime = clock();
// 根据时间动态设置跳跃长度，实现fps稳定
clock_t cTime = clock();

/* 若x坐标在锁定状态下 */
if (bLockX)
// 跳跃的同时恢复身高
for (; player->fPlayerSize < m_nMaxPlayerSize;)
{
player->fPlayerX = fLockX;
player->fPlayerY += (float)((clock() - cTime) * 0.4 + 0.2); /* y保持下降 */
cTime = clock();
player->fPlayerSize += (float)((clock() - cTime) * 0.5 + 0.3);
draw_player(player); // 人物只会越变越大，故只重绘人物
FlushBatchDraw();
}
else

// 跳跃
for (; ; player->fPlayerX += (float)((clock() - cTime) * 0.3 + 1))
{
printf("跳跃曲线计算：");
TIMEC_BEGIN
cTime = clock();

// 重力增加
fG += (float)((clock() - cTime) * 0.2 + 0.2 + (y - player->fPlayerY) / 300.0);

// 跳跃曲线计算
player->fPlayerY =
(float)jump_func(
x, // 二次函数中和x轴交界的左侧点x坐标
y, // 二次函数中和x轴交界的左侧点y坐标
x + player->fJumpDistance / 2, // 二次函数中顶点x坐标（和x轴交界的两个点之间的线段的一半）
y - player->fJumpDistance / 3, // 二次函数中顶点y坐标（取x轴交界的两个点之间的线段的1/3作为跳跃高度）
player->fPlayerX) // 返回x坐标对应的y坐标
+ fG; // 重力加速度
TIMEC_END
}
/* 若x坐标在锁定状态下 */
if (bLockX)
{
player->fPlayerX = fLockX;
player->fPlayerY += (float)((clock() - cTime) * 0.4 + 0.2); /* y保持下降 */
}
else
{
printf("跳跃曲线计算：");
TIMEC_BEGIN

// 重力增加
fG += (float)((clock() - cTime) * 0.2 + 0.2 + (y - player->fPlayerY) / 300.0);

// 跳跃曲线计算
player->fPlayerY =
(float)jump_func(
x, // 二次函数中和x轴交界的左侧点x坐标
y, // 二次函数中和x轴交界的左侧点y坐标
x + player->fJumpDistance / 2, // 二次函数中顶点x坐标（和x轴交界的两个点之间的线段的一半）
y - player->fJumpDistance / 3, // 二次函数中顶点y坐标（取x轴交界的两个点之间的线段的1/3作为跳跃高度）
player->fPlayerX) // 返回x坐标对应的y坐标
+ fG; // 重力加速度
TIMEC_END
}

// y变高了，标记下已经跳出
if (player->fPlayerY < y)
bJumped = true;
// y变高了，标记下已经跳出
if (player->fPlayerY < y)
bJumped = true;

// 判断小人落地
// 已经跳出且下落到原来的y点
if (player->fPlayerY >= y && bJumped && !bLockX /* 不在下滑过程中 */ )
{
// 判断是否跳跃到了点上
for (int i = player->nStandBlockNum; i < m_nBlocksNum; i++)
// 判断小人落地
// 已经跳出且下落到原来的y点
if (player->fPlayerY >= y && bJumped && !bLockX /* 不在下滑过程中 */)
{
// 判断人物方块的左下角点或右下角点是否在物体上
if (((player->fPlayerX > player->rctBlocks[i].left &&
player->fPlayerX < player->rctBlocks[i].right) || // 身体左边判定
(player->fPlayerX + m_nMaxPlayerSize > player->rctBlocks[i].left &&
player->fPlayerX + m_nMaxPlayerSize < player->rctBlocks[i].right)) && // 身体右边判定
y - player->fPlayerY <= nOffsetY /* y坐标下降到一定高度 */)
// 判断是否跳跃到了点上
for (int i = player->nStandBlockNum; i < m_nBlocksNum; i++)
{
// 站稳且不在原方块上，加分
if (i != player->nStandBlockNum)
// 判断人物方块的左下角点或右下角点是否在物体上
if (((player->fPlayerX > player->rctBlocks[i].left &&
player->fPlayerX < player->rctBlocks[i].right) || // 身体左边判定
(player->fPlayerX + m_nMaxPlayerSize > player->rctBlocks[i].left &&
player->fPlayerX + m_nMaxPlayerSize < player->rctBlocks[i].right)) && // 身体右边判定
y - player->fPlayerY <= nOffsetY /* y坐标下降到一定高度 */)
{
// 跨过几个方块加几分
player->nScore += i - player->nStandBlockNum;
player->nStandBlockNum = i;
// 站稳且不在原方块上，加分
if (i != player->nStandBlockNum)
{
// 跨过几个方块加几分
player->nScore += i - player->nStandBlockNum;
player->nStandBlockNum = i;
}

// 无论有无跳出原方块，落在方块上了就跳出循环
// 否则会出现站在方块上却掉落下去的bug
goto out;
}

// 无论有无跳出原方块，落在方块上了就跳出循环
// 否则会出现站在方块上却掉落下去的bug
goto out;
}

// 若没有下落到物体上，且y坐标已经超出判定范围时，若x坐标满足和物体相撞，那么玩家顺着物体滑到地上。
else if (!bLockX && player->fPlayerY - y > nOffsetY &&
(player->fPlayerX + m_nMaxPlayerSize) - player->rctBlocks[i].left < nOffsetHitX &&
(player->fPlayerX + m_nMaxPlayerSize) - player->rctBlocks[i].left > -nOffsetHitX)
{
bLockX = true;
fLockX = (float)(player->rctBlocks[i].left - m_nMaxPlayerSize);
player->fPlayerX = fLockX;
draw(player);
Sleep(150);
break;
// 若没有下落到物体上，且y坐标已经超出判定范围时，若x坐标满足和物体相撞，那么玩家顺着物体滑到地上。
else if (!bLockX && player->fPlayerY - y > nOffsetY &&
(player->fPlayerX + m_nMaxPlayerSize) - player->rctBlocks[i].left < nOffsetHitX &&
(player->fPlayerX + m_nMaxPlayerSize) - player->rctBlocks[i].left > -nOffsetHitX)
{
bLockX = true;
fLockX = (float)(player->rctBlocks[i].left - m_nMaxPlayerSize);
player->fPlayerX = fLockX;
draw(player);
Sleep(150);
break;
}
}
}
}

// 已经跳到屏幕外
if (player->fPlayerY >= WINDOW_HEIGHT)
{
lose_menu(player);
init_game(player);
return;
}

printf("跳跃中背景绘制：");
TIMEC_BEGIN
// 绘制
draw(player);
TIMEC_END
// 已经跳到屏幕外
if (player->fPlayerY >= WINDOW_HEIGHT)
{
lose_menu(player);
init_game(player);
return;
}

// 动态延时
HpSleep((int)((clock() - cTime) * 1.1 + 1));
}
out:
// 由于float的小数误差，将y坐标复原
player->fPlayerY = (float) y;
printf("跳跃中背景绘制：");
TIMEC_BEGIN
// 绘制
draw(player);
TIMEC_END

// 跳跃长度清零
player->fJumpDistance = 0;
// 动态延时
HpSleep((int)((clock() - cTime) * 1.1 + 1));
}
out:
// 由于float的小数误差，将y坐标复原
player->fPlayerY = (float)y;

// y坐标复原后应绘制一遍
draw(player);
Sleep(100);
// 跳跃长度清零
player->fJumpDistance = 0;

// 画面移动
for (; player->nImgOffsetX <= player->fPlayerX - 20; player->nImgOffsetX++)
{
// y坐标复原后应绘制一遍
draw(player);
Sleep(100);

// 画面移动
for (; player->nImgOffsetX <= player->fPlayerX - 20; player->nImgOffsetX++)
{
draw(player);

// 根据玩家跳跃的长度动态设置画面移动速度
HpSleep((int)(1 / (player->fPlayerX - x) + 1));
// 根据玩家跳跃的长度动态设置画面移动速度
HpSleep((int)(1 / (player->fPlayerX - x) + 1));
}
}
}

}

Expand All @@ -517,7 +517,7 @@ void startmenu(Player* player)

Sleep(100);
settextstyle(16, 0, L"system");
outtextxy(230, 220, L"made by huidong 2021.1.3");
outtextxy(230, 220, L"made by huidong 2021.1.13");
FlushBatchDraw();

Sleep(800);
Expand Down

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