Basic Movement works. No Collisions yet!

This commit is contained in:
Michael Chen 2018-01-11 01:06:55 +01:00
parent f136e07b43
commit 064ace7bf1
3 changed files with 104 additions and 9 deletions

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Width:  |  Height:  |  Size: 59 KiB

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@ -18,6 +18,10 @@ int BREAKOUT_BoxWidth, BREAKOUT_BoxHeight;
SDL_Texture * BALL_Texture; SDL_Texture * BALL_Texture;
SDL_Rect * BALL_SourceRects; SDL_Rect * BALL_SourceRects;
Ball ball; Ball ball;
Paddle paddle;
SDL_Texture * PADDLE_Texture;
SDL_Rect * PADDLE_SourceRects;
Uint8 * PADDLE_MoveLeftKeys, * PADDLE_MoveRightKeys;
void BREAKOUT_INITIALIZE(SDL_Renderer * renderer, int width, int height){ void BREAKOUT_INITIALIZE(SDL_Renderer * renderer, int width, int height){
printf("Initializing Game...\n"); printf("Initializing Game...\n");
@ -25,15 +29,18 @@ void BREAKOUT_INITIALIZE(SDL_Renderer * renderer, int width, int height){
BREAKOUT_BoxWidth = width; BREAKOUT_BoxWidth = width;
BREAKOUT_BoxHeight = height; BREAKOUT_BoxHeight = height;
BALL_Initialize(renderer); BALL_Initialize(renderer);
PADDLE_Initialize(renderer);
printf("Game initialized!\n"); printf("Game initialized!\n");
} }
void BREAKOUT_Update(Uint8 * keystate){ void BREAKOUT_Update(Uint8 * keystate){
BALL_Update(&ball); BALL_Update(&ball);
PADDLE_Update(&paddle, keystate);
} }
void BREAKOUT_Draw(SDL_Renderer * renderer){ void BREAKOUT_Draw(SDL_Renderer * renderer){
BALL_Draw(renderer, &ball); BALL_Draw(renderer, &ball);
PADDLE_Draw(renderer, &paddle);
} }
void BREAKOUT_DEINITIALIZE(){ void BREAKOUT_DEINITIALIZE(){
@ -47,8 +54,10 @@ void BALL_Initialize(SDL_Renderer * renderer){
BALL_Texture = IMG_LoadTexture(renderer, "assets/images/ball.png"); BALL_Texture = IMG_LoadTexture(renderer, "assets/images/ball.png");
if (!BALL_Texture) printf("Ball texture failed to load!\n"); if (!BALL_Texture) printf("Ball texture failed to load!\n");
BALL_SourceRects = (SDL_Rect *)malloc(1 * sizeof(SDL_Rect)); BALL_SourceRects = (SDL_Rect *)malloc(1 * sizeof(SDL_Rect));
if (!BALL_SourceRects) printf("FATAL! Memory allocation failed!\n");
BALL_SourceRects[0] = (SDL_Rect) {.x = 0, .y = 0, .w = 512, .h = 512 }; BALL_SourceRects[0] = (SDL_Rect) {.x = 0, .y = 0, .w = 512, .h = 512 };
ball = BALL_CreateDefault(); ball = BALL_CreateDefault();
paddle = PADDLE_CreateDefault();
printf("Ball initialized!\n"); printf("Ball initialized!\n");
} }
@ -58,8 +67,8 @@ Ball BALL_CreateDefault(){
return (Ball) { return (Ball) {
.Location = (Vector) {.x = BREAKOUT_BoxWidth / 2, .y = BREAKOUT_BoxHeight / 2 }, .Location = (Vector) {.x = BREAKOUT_BoxWidth / 2, .y = BREAKOUT_BoxHeight / 2 },
.Momentum = (Vector) {.x = 0.0f, .y = 6.0f }, .Momentum = (Vector) {.x = 0.0f, .y = 6.0f },
.TargetRect = (SDL_Rect) {.x = BREAKOUT_BoxWidth / 2, .y = BREAKOUT_BoxHeight / 2, .w = 50, .h = 50 }, .TargetRect = (SDL_Rect) {.x = 0, .y = 0, .w = 50, .h = 50 },
.Size = 50.0f, .Size = 25.0f,
.Rotation = rotation, .Rotation = rotation,
.RotationValue = 2, .RotationValue = 2,
.TextureIndex = 0 .TextureIndex = 0
@ -67,17 +76,21 @@ Ball BALL_CreateDefault(){
} }
void BALL_Draw(SDL_Renderer * renderer, Ball * obj){ void BALL_Draw(SDL_Renderer * renderer, Ball * obj){
printf("Ball drawn at (%d|%d)!\n", (obj->TargetRect).x, (obj->TargetRect).x); // printf("Ball drawn at (%d|%d)!\n", (obj->TargetRect).x, (obj->TargetRect).x);
SDL_RenderCopyEx(renderer, BALL_Texture, BALL_SourceRects + (obj->TextureIndex), &(obj->TargetRect), obj->Rotation, NULL, SDL_FLIP_NONE); SDL_RenderCopyEx(renderer, BALL_Texture, BALL_SourceRects + (obj->TextureIndex), &(obj->TargetRect), obj->Rotation, NULL, SDL_FLIP_NONE);
} }
void BALL_Update(Ball * obj){ void BALL_Update(Ball * obj){
obj->Location = vectorAdd(obj->Location, obj->Momentum); (obj->Location) = vectorAdd((obj->Location), ( obj->Momentum));
(obj->TargetRect).x = (int)round((obj->Location).x); (obj->TargetRect).x = (int)round((obj->Location).x);
(obj->TargetRect).y = (int)round((obj->Location).y); (obj->TargetRect).y = (int)round((obj->Location).y);
obj->Rotation += obj->RotationValue; (obj->Rotation) += (obj->RotationValue);
if ((obj->Location).y > BREAKOUT_BoxHeight) if ((obj->Location).y > BREAKOUT_BoxHeight + (obj->Size))
obj->Location = (Vector) {.x = BREAKOUT_BoxWidth / 2, .y = BREAKOUT_BoxHeight / 2 }; (obj->Location) = (Vector) {.x = BREAKOUT_BoxWidth / 2, .y = BREAKOUT_BoxHeight / 2 }; // Dead
if ((obj->Location).y < (obj->Size))
(obj->Momentum).y = -(obj->Momentum).y;
if ((obj->Location).x < (obj->Size) || (obj->Location).x > BREAKOUT_BoxWidth - (obj->Size))
(obj->Momentum).x = -(obj->Momentum).x;
} }
void BALL_DestroyObject(Ball * obj){ void BALL_DestroyObject(Ball * obj){
} }
@ -86,3 +99,71 @@ void BALL_Deinitialize(){
printf("Ball de-initialized!\n"); printf("Ball de-initialized!\n");
} }
void PADDLE_Initialize(SDL_Renderer * renderer){
printf("Initializing Paddle...\n");
PADDLE_Texture = IMG_LoadTexture(renderer, "assets/images/paddle.png");
if (!PADDLE_Texture) printf("Paddle texture failed to load!\n");
PADDLE_SourceRects = (SDL_Rect *)malloc(1 * sizeof(SDL_Rect));
if (!PADDLE_SourceRects) printf("FATAL! Memory allocation failed!\n");
PADDLE_SourceRects[0] = (SDL_Rect) {.x = 0, .y = 0, .w = 512, .h = 512 };
PADDLE_MoveLeftKeys = (Uint8 *)malloc(2 * sizeof(Uint8));
if (!PADDLE_MoveLeftKeys) printf("FATAL! Memory allocation failed!\n");
PADDLE_MoveRightKeys = (Uint8 *)malloc(2 * sizeof(Uint8));
if (!PADDLE_MoveRightKeys) printf("FATAL! Memory allocation failed!\n");
PADDLE_MoveLeftKeys[0] = 2; // Erster wert gibt größe des arrays an
PADDLE_MoveLeftKeys[1] = SDL_SCANCODE_LEFT;
PADDLE_MoveLeftKeys[2] = SDL_SCANCODE_A;
PADDLE_MoveRightKeys[0] = 2;
PADDLE_MoveRightKeys[1] = SDL_SCANCODE_RIGHT;
PADDLE_MoveRightKeys[2] = SDL_SCANCODE_D;
ball = BALL_CreateDefault();
printf("Paddle initialized!\n");
}
Paddle PADDLE_CreateDefault(){
int defaultpaddlewidth = 300;
return (Paddle) {
.TargetRect = (SDL_Rect) {.x = (BREAKOUT_BoxWidth - defaultpaddlewidth) / 2, .y = BREAKOUT_BoxHeight - 100, .w = defaultpaddlewidth, .h = 30 },
.TextureIndex = 0
}; // Objekt für die Eigenschaften des Balls
}
void PADDLE_Draw(SDL_Renderer * renderer, Paddle * obj){
// printf("Paddle drawn at (%d|%d)!\n", (obj->TargetRect).x, (obj->TargetRect).x);
SDL_RenderCopy(renderer, PADDLE_Texture, PADDLE_SourceRects + (obj->TextureIndex), &(obj->TargetRect));
}
bool KeyPressed(Uint8 * keystate, Uint8 * keyArray){
for (int i = 0; i < (*keyArray); i++) {
if (keystate[keyArray[(i + 1)]]) return true;
}
return false;
}
void constrain(int * variable, int min, int max){
if (*variable > max)
*variable = max;
else if (*variable < min)
*variable = min;
}
void PADDLE_Update(Paddle * obj, Uint8 * keystate){
bool leftKeyPressed = KeyPressed(keystate, PADDLE_MoveLeftKeys), rightKeyPressed = KeyPressed(keystate, PADDLE_MoveRightKeys);
if (leftKeyPressed && (!rightKeyPressed)) {
((obj->TargetRect).x) -= 5;
} else if ((!leftKeyPressed) && rightKeyPressed) {
((obj->TargetRect).x) += 5;
}
constrain(&((obj->TargetRect).x), 0, (BREAKOUT_BoxWidth - ((obj->TargetRect).w)));
}
void PADDLE_DestroyObject(Paddle * obj){
}
void PADDLE_Deinitialize(){
printf("De-initializing Ball...\n");
printf("Ball de-initialized!\n");
}

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@ -1,5 +1,11 @@
#ifndef __breakout_h__ #ifndef __breakout_h__
#define __breakout_h__ #define __breakout_h__
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <math.h>
#include <time.h>
#include <SDL2/SDL.h>
#include "vector.h" #include "vector.h"
@ -12,9 +18,8 @@ typedef struct ballStruct {
} Ball; // Objekt für die Eigenschaften des Balls } Ball; // Objekt für die Eigenschaften des Balls
typedef struct paddleStruct { typedef struct paddleStruct {
double XLocation; // Notice: Locked Y-Coordinate
SDL_Rect TargetRect; SDL_Rect TargetRect;
int XSize, TextureIndex; int TextureIndex;
} Paddle; // Objekt für die Eigenschaften des Paddles } Paddle; // Objekt für die Eigenschaften des Paddles
typedef struct blockStruct { typedef struct blockStruct {
@ -35,6 +40,15 @@ void BALL_Draw(SDL_Renderer * renderer, Ball * obj);
void BALL_Update(Ball * obj); void BALL_Update(Ball * obj);
void BALL_DestroyObject(Ball * obj); void BALL_DestroyObject(Ball * obj);
void BALL_Deinitialize(); void BALL_Deinitialize();
void PADDLE_Initialize(SDL_Renderer * renderer);
Paddle PADDLE_CreateDefault();
void PADDLE_Draw(SDL_Renderer * renderer, Paddle * obj);
bool KeyPressed(Uint8 * keystate, Uint8 * keyArray);
void constrain(int * variable, int min, int max);
void PADDLE_Update(Paddle * obj, Uint8 * keystate);
void PADDLE_DestroyObject(Paddle * obj);
void PADDLE_Deinitialize();
// End Prototypes // End Prototypes
#endif // __breakout_h__ #endif // __breakout_h__