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→Collision Detection
Line 1,165:
Line 1,165:
== Collision Detection ==
−Description: Shows how to test for collision between various objects, does not contain an example for node based collision detection (yet).
−<source lang="cpp">#include <stdio.h>
−#include <stdlib.h>
−#include <gccore.h>
−#include <wiiuse/wpad.h>
−#include <fat.h>
−#include <wiisprite.h>
−using namespace wsp;
−GameWindow gwd; // Initializes and renders our scene.
−Sprite sprite; // The drawable object we can modify.
−Sprite sprite2; // another sprite to check collision against.
−Image image; // Holds our image/texture from the SD Card.
−Image image2; // hold the other image/tecture from SD card.
−Rectangle rect; // rectangle object as an example.
−Quad quad; //quad object for rect.
−struct player {
−
− u32 xpos, ypos
−
−} Player;
−void checkCollision(u32 oldX, u32 oldY);
−int main(int argc, char **argv) {
−
− fatInitDefault();
− gwd.InitVideo();
− LayerManager manager(3);
− if(image.LoadImage("libwiisprite.png") != IMG_LOAD_ERROR_NONE)exit(0);
− if(image.LoadImage("libwiisprite2.png") != IMG_LOAD_ERROR_NONE)exit(0);
−
− sprite.SetImage(&image);
− sprite.SetPosition(Player.xpos, Player.ypos);
−
− sprite2.SetImage(&image2);
− sprite2.SetPosition(200,200);
−
− manager.Append(&sprite);
− manager.Append(&Rectangle);
−
− rect.width = 20; rect.height = 20;
− rect.x = 50; rect.y = 50;
−
− quad.SetRectangle(&rect);
− WPAD_Init();
− WPAD_SetDataFormat(WPAD_CHAN_0, WPAD_FMT_BTNS_ACC_IR);
− while(1) {
− u32 oldX = Player.xpos, oldY = Player.ypos;
−
− WPAD_ScanPads();
− u32 pressed = WPAD_ButtonsHeld(WPAD_CHAN_0);
−
− if(pressed & WPAD_BUTTON_UP)
− Player.ypos -= 1;
−
− if(pressed & WPAD_BUTTON_DOWN)
− Player.ypos += 1;
−
− if(pressed & WPAD_BUTTON_LEFT)
− Player.xpos -= 1;
−
− if(pressed & WPAD_BUTTON_RIGHT)
− Player.xpos += 1;
−
− sprite.SetPosition(Player.xpos, Player.ypos);
−
− checkCollision();
−
− sprite.SetPosition(Player.xpos, Player.ypos);
−
− manager.Draw(0, 0);
− gwd.Flush();
− }
− manager.Draw(0, 0);
− gwd.Flush();
−
− return 0;
−}
−void checkCollision(u32 oldX, u32 oldY)
−{
− if (sprite.CollidesWith(&sprite2)) {
− Player.x = oldX;
− Player.y = oldY;
− }
−
− if (sprite.CollidesWith(&quad)) {
− Player.x = oldX;
− Player.y = oldY;
− }
−
−}</source>
- [[user:WiiPhlex|WiiPhlex]]
- [[user:WiiPhlex|WiiPhlex]]
−== EXAMPLE PROGRAMS ==
== EXAMPLE PROGRAMS ==