利用Box2D+WCK賦予Flash物理特性 萬有引力

這已經是第五篇Box2D+WCK的介紹文章了,前面幾篇文章如果各位有注意應該會發現,所有範例的萬有引力都跟現在我們生活的環境一樣,物件像是被地心引力給吸引著都會往下方掉落,其實我們在使用這個模組的時候,也可以改變這樣的萬有引力,讓這些物件不要往下掉落而是往我們所指定的方向移動,馬老師在這邊大概製作了三種不同類型的萬有引力範例,分述如下:

1.容器型萬有引力:這個萬有引力是利用一個封閉的空間來繪製的。

Capsule Gravity

大概的製作步驟如下:

我們可以在World元件中繪製一個如下圖的形狀:

Capsule Gravity Zone

接下來將他轉換成一個影片片段,在類別的部分輸入gravity.GravityCapsule的名稱,如下圖所示:

Capsule Gravity Symbol

接下來把這個元件拖曳到World元件裡面就可以了。

2.放射狀萬有引力:這種萬有引力是以往內或往外放射狀的方式存在。

Radial Gravity

我們可以在World元件中繪製一個如下圖的形狀:

Radial Gravity Zone

接下來將他轉換成一個影片片段,在類別的部分輸入gravity.GravityRadial的名稱,如下圖所示:

Radial Gravity Symbol

接下來把這個元件拖曳到World元件裡面就可以了。

3.正弦萬有引力:就是三角函數的sin。

Sine Gravity

我們可以在World元件中繪製一個如下圖的形狀:

Sine Gravity Zone

接下來將他轉換成一個影片片段,在類別的部分輸入gravity.GravitySine的名稱,如下圖所示:

Sine Gravity Symbol

接下來把這個元件拖曳到World元件裡面就可以了。

同樣的也讓大家可以下載以上的三個範例檔,範例檔為CS5格式,下載後要重新設定來源路徑和元件庫路徑喔!希望這個範例對大家有所幫助,如果還有疑問,也可以在這邊回應唷~

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    One of the best things that can happen to a zoo or aquarium is for one of their resident animals to go viral.

    Just look at the multi-hour-long lines to see Moo Deng, a pygmy hippo in Thailand who has become an internet sensation following her July 2024 birth. The sassy animal is now a full-on brand, with Khao Kheow Open Zoo selling Moo Deng merchandise and even releasing a single “by” the hippo in multiple languages.

    Meanwhile, Pesto — a baby king penguin who was eating more fish than his parents by the time he was a few weeks old — is also an online celebrity, with human stars like Olivia Rodrigo and Katy Perry stopping by to meet him.

    But what happens when these cute animals become, well, less cute? The Sea Life Melbourne aquarium has already been planning for the next phase of Pesto’s life — and answering questions from the public about his changing appearance.

    It’s normal for king penguins to lose their feathers by the time they’re about a year old and become confident swimmers. As a result, a spokesperson for the aquarium says, guests have started asking why Pesto looks different — or why they can’t find him at all.

    “We are getting a few guests thinking we have moved him off display completely,” says the spokesperson. “Most of the team’s time is spent pointing him out to guests because he looks so different now.”
    The bottom line is that cute baby animals make money.

    Admission tickets are only the beginning. Many zoos and aquariums offer special “behind the scenes” or “zookeeper for a day” packages at much higher prices. At Sea Life Melbourne, standard entry tickets for adults start at $51, while the Penguin Passport — which include a 45-minute tour of the birds’ area and a look at how their food is prepared — is $199.

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    This year’s Super Bowl halftime show was hardly a fashion extravaganza, with headliner Kendrick Lamar keeping things simple in a backwards cap and motorbike-style varsity jacket, which he kept on throughout.

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    While not quite the bell-bottoms of decades past (the 1970s and the 2000s, specifically), the Compton-born rapper’s washed denim pants flared out at the knee and dragged beneath his heels along the stage at Caesars Superdrome in New Orleans. His silhouette stood in stark contrast to that of record producer Mustard, who made a brief cameo in a pair of outsized jeans straight from the West Coast hip-hop playbook.
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    Two bombs were initially removed by the British Army, the UK Ministry of Defense said in a statement. The parish council was then advised that a full survey of the area was required, according to a council spokesperson.
    Bomb disposal company Brimstone Site Investigation then uncovered 65 10-pound practice bombs and smoke cartridges on the first day of works, with a further 90 practice bombs recovered on the second day.

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    One of the best things that can happen to a zoo or aquarium is for one of their resident animals to go viral.

    Just look at the multi-hour-long lines to see Moo Deng, a pygmy hippo in Thailand who has become an internet sensation following her July 2024 birth. The sassy animal is now a full-on brand, with Khao Kheow Open Zoo selling Moo Deng merchandise and even releasing a single “by” the hippo in multiple languages.

    Meanwhile, Pesto — a baby king penguin who was eating more fish than his parents by the time he was a few weeks old — is also an online celebrity, with human stars like Olivia Rodrigo and Katy Perry stopping by to meet him.

    But what happens when these cute animals become, well, less cute? The Sea Life Melbourne aquarium has already been planning for the next phase of Pesto’s life — and answering questions from the public about his changing appearance.

    It’s normal for king penguins to lose their feathers by the time they’re about a year old and become confident swimmers. As a result, a spokesperson for the aquarium says, guests have started asking why Pesto looks different — or why they can’t find him at all.

    “We are getting a few guests thinking we have moved him off display completely,” says the spokesperson. “Most of the team’s time is spent pointing him out to guests because he looks so different now.”
    The bottom line is that cute baby animals make money.

    Admission tickets are only the beginning. Many zoos and aquariums offer special “behind the scenes” or “zookeeper for a day” packages at much higher prices. At Sea Life Melbourne, standard entry tickets for adults start at $51, while the Penguin Passport — which include a 45-minute tour of the birds’ area and a look at how their food is prepared — is $199.

    The real jackpot, though, is merchandise. Stuffed animals, T-shirts, fridge magnets, keychains, kids’ books and other branded products are a major way for zoos and aquariums to make money.

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    Scores of unexploded bombs dating from World War II have been recovered from a children’s playground in northern England after a chance discovery.

    Local officials in the town of Wooler, Northumberland called in bomb disposal experts after workers involved in a planned overhaul of Scotts Play Park found unexploded ordnance, the parish council said in a statement sent to CNN on Monday.

    Two bombs were initially removed by the British Army, the UK Ministry of Defense said in a statement. The parish council was then advised that a full survey of the area was required, according to a council spokesperson.
    Bomb disposal company Brimstone Site Investigation then uncovered 65 10-pound practice bombs and smoke cartridges on the first day of works, with a further 90 practice bombs recovered on the second day.

    The company told CNN that the bombs date from World War II.

    According to the parish council, all of the bombs need to be found and removed before the park can be reopened. It said 174 devices had been found so far.

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    This year’s Super Bowl halftime show was hardly a fashion extravaganza, with headliner Kendrick Lamar keeping things simple in a backwards cap and motorbike-style varsity jacket, which he kept on throughout.

    And without the costume-change roulette we’ve come to expect of halftime shows, the internet fixated on one item in particular: his jeans.

    While not quite the bell-bottoms of decades past (the 1970s and the 2000s, specifically), the Compton-born rapper’s washed denim pants flared out at the knee and dragged beneath his heels along the stage at Caesars Superdrome in New Orleans. His silhouette stood in stark contrast to that of record producer Mustard, who made a brief cameo in a pair of outsized jeans straight from the West Coast hip-hop playbook.
    Opinions were, as ever, divided on social media. Some users described Lamar’s flares as “women’s jeans” and “Hannah Montana pants,” earning him comparisons to everyone from Jennifer Aniston to country singer Lainey Wilson. Others joked that their moms were looking for a similar pair or that they nodded to millennials, for whom flares were a teenage staple.

    But those suggesting his style was outdated, or gender-inappropriate, may not have been paying attention to the recent resurgence of flares — in both womenswear and menswear. After all, Lamar’s jeans were designed by one of the most influential figures in modern fashion, Celine’s former creative director Hedi Slimane, before he departed the French label in October.

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    One of the best things that can happen to a zoo or aquarium is for one of their resident animals to go viral.

    Just look at the multi-hour-long lines to see Moo Deng, a pygmy hippo in Thailand who has become an internet sensation following her July 2024 birth. The sassy animal is now a full-on brand, with Khao Kheow Open Zoo selling Moo Deng merchandise and even releasing a single “by” the hippo in multiple languages.

    Meanwhile, Pesto — a baby king penguin who was eating more fish than his parents by the time he was a few weeks old — is also an online celebrity, with human stars like Olivia Rodrigo and Katy Perry stopping by to meet him.

    But what happens when these cute animals become, well, less cute? The Sea Life Melbourne aquarium has already been planning for the next phase of Pesto’s life — and answering questions from the public about his changing appearance.

    It’s normal for king penguins to lose their feathers by the time they’re about a year old and become confident swimmers. As a result, a spokesperson for the aquarium says, guests have started asking why Pesto looks different — or why they can’t find him at all.

    “We are getting a few guests thinking we have moved him off display completely,” says the spokesperson. “Most of the team’s time is spent pointing him out to guests because he looks so different now.”
    The bottom line is that cute baby animals make money.

    Admission tickets are only the beginning. Many zoos and aquariums offer special “behind the scenes” or “zookeeper for a day” packages at much higher prices. At Sea Life Melbourne, standard entry tickets for adults start at $51, while the Penguin Passport — which include a 45-minute tour of the birds’ area and a look at how their food is prepared — is $199.

    The real jackpot, though, is merchandise. Stuffed animals, T-shirts, fridge magnets, keychains, kids’ books and other branded products are a major way for zoos and aquariums to make money.

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    Scores of unexploded bombs dating from World War II have been recovered from a children’s playground in northern England after a chance discovery.

    Local officials in the town of Wooler, Northumberland called in bomb disposal experts after workers involved in a planned overhaul of Scotts Play Park found unexploded ordnance, the parish council said in a statement sent to CNN on Monday.

    Two bombs were initially removed by the British Army, the UK Ministry of Defense said in a statement. The parish council was then advised that a full survey of the area was required, according to a council spokesperson.
    Bomb disposal company Brimstone Site Investigation then uncovered 65 10-pound practice bombs and smoke cartridges on the first day of works, with a further 90 practice bombs recovered on the second day.

    The company told CNN that the bombs date from World War II.

    According to the parish council, all of the bombs need to be found and removed before the park can be reopened. It said 174 devices had been found so far.

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    This year’s Super Bowl halftime show was hardly a fashion extravaganza, with headliner Kendrick Lamar keeping things simple in a backwards cap and motorbike-style varsity jacket, which he kept on throughout.

    And without the costume-change roulette we’ve come to expect of halftime shows, the internet fixated on one item in particular: his jeans.

    While not quite the bell-bottoms of decades past (the 1970s and the 2000s, specifically), the Compton-born rapper’s washed denim pants flared out at the knee and dragged beneath his heels along the stage at Caesars Superdrome in New Orleans. His silhouette stood in stark contrast to that of record producer Mustard, who made a brief cameo in a pair of outsized jeans straight from the West Coast hip-hop playbook.
    Opinions were, as ever, divided on social media. Some users described Lamar’s flares as “women’s jeans” and “Hannah Montana pants,” earning him comparisons to everyone from Jennifer Aniston to country singer Lainey Wilson. Others joked that their moms were looking for a similar pair or that they nodded to millennials, for whom flares were a teenage staple.

    But those suggesting his style was outdated, or gender-inappropriate, may not have been paying attention to the recent resurgence of flares — in both womenswear and menswear. After all, Lamar’s jeans were designed by one of the most influential figures in modern fashion, Celine’s former creative director Hedi Slimane, before he departed the French label in October.

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    One of the best things that can happen to a zoo or aquarium is for one of their resident animals to go viral.

    Just look at the multi-hour-long lines to see Moo Deng, a pygmy hippo in Thailand who has become an internet sensation following her July 2024 birth. The sassy animal is now a full-on brand, with Khao Kheow Open Zoo selling Moo Deng merchandise and even releasing a single “by” the hippo in multiple languages.

    Meanwhile, Pesto — a baby king penguin who was eating more fish than his parents by the time he was a few weeks old — is also an online celebrity, with human stars like Olivia Rodrigo and Katy Perry stopping by to meet him.

    But what happens when these cute animals become, well, less cute? The Sea Life Melbourne aquarium has already been planning for the next phase of Pesto’s life — and answering questions from the public about his changing appearance.

    It’s normal for king penguins to lose their feathers by the time they’re about a year old and become confident swimmers. As a result, a spokesperson for the aquarium says, guests have started asking why Pesto looks different — or why they can’t find him at all.

    “We are getting a few guests thinking we have moved him off display completely,” says the spokesperson. “Most of the team’s time is spent pointing him out to guests because he looks so different now.”
    The bottom line is that cute baby animals make money.

    Admission tickets are only the beginning. Many zoos and aquariums offer special “behind the scenes” or “zookeeper for a day” packages at much higher prices. At Sea Life Melbourne, standard entry tickets for adults start at $51, while the Penguin Passport — which include a 45-minute tour of the birds’ area and a look at how their food is prepared — is $199.

    The real jackpot, though, is merchandise. Stuffed animals, T-shirts, fridge magnets, keychains, kids’ books and other branded products are a major way for zoos and aquariums to make money.

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    Scores of unexploded bombs dating from World War II have been recovered from a children’s playground in northern England after a chance discovery.

    Local officials in the town of Wooler, Northumberland called in bomb disposal experts after workers involved in a planned overhaul of Scotts Play Park found unexploded ordnance, the parish council said in a statement sent to CNN on Monday.

    Two bombs were initially removed by the British Army, the UK Ministry of Defense said in a statement. The parish council was then advised that a full survey of the area was required, according to a council spokesperson.
    Bomb disposal company Brimstone Site Investigation then uncovered 65 10-pound practice bombs and smoke cartridges on the first day of works, with a further 90 practice bombs recovered on the second day.

    The company told CNN that the bombs date from World War II.

    According to the parish council, all of the bombs need to be found and removed before the park can be reopened. It said 174 devices had been found so far.

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    This year’s Super Bowl halftime show was hardly a fashion extravaganza, with headliner Kendrick Lamar keeping things simple in a backwards cap and motorbike-style varsity jacket, which he kept on throughout.

    And without the costume-change roulette we’ve come to expect of halftime shows, the internet fixated on one item in particular: his jeans.

    While not quite the bell-bottoms of decades past (the 1970s and the 2000s, specifically), the Compton-born rapper’s washed denim pants flared out at the knee and dragged beneath his heels along the stage at Caesars Superdrome in New Orleans. His silhouette stood in stark contrast to that of record producer Mustard, who made a brief cameo in a pair of outsized jeans straight from the West Coast hip-hop playbook.
    Opinions were, as ever, divided on social media. Some users described Lamar’s flares as “women’s jeans” and “Hannah Montana pants,” earning him comparisons to everyone from Jennifer Aniston to country singer Lainey Wilson. Others joked that their moms were looking for a similar pair or that they nodded to millennials, for whom flares were a teenage staple.

    But those suggesting his style was outdated, or gender-inappropriate, may not have been paying attention to the recent resurgence of flares — in both womenswear and menswear. After all, Lamar’s jeans were designed by one of the most influential figures in modern fashion, Celine’s former creative director Hedi Slimane, before he departed the French label in October.

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