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Add in distance-based lighting.

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This commit is contained in:
sigonasr2 2023-04-11 11:16:50 -05:00
parent b0e348658c
commit 3e52016067
2 changed files with 25 additions and 21 deletions
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44
Faceball2030/main.cpp
View File

@ -78,48 +78,48 @@ void FaceBall::LoadLevel(int level)
objects.push_back({ mapMesh }); objects.push_back({ mapMesh });
} }
bool FaceBall::CheckCollision(vec3d movementVector){ bool FaceBall::CheckCollision(vec3d movementVector,vf2d pos,float radius){
utils::geom2d::circle<float>newPos{ {player.GetPos().x + movementVector.x,player.GetPos().z + movementVector.z},player.GetRadius() }; utils::geom2d::circle<float>newPos{ {pos.x + movementVector.x,pos.y + movementVector.z},radius };
bool collisionOccured = false; bool collisionOccured = false;
for (int y = -1; y <= 1; y++) { for (int y = -1; y <= 1; y++) {
for (int x = -1; x <= 1; x++) { for (int x = -1; x <= 1; x++) {
int offsetX = (int)player.GetPos().x + x; int offsetX = (int)pos.x + x;
int offsetY = (int)player.GetPos().z + y; int offsetY = (int)pos.y + y;
if (offsetX >= 0 && offsetX < MAP_SIZE.x && offsetY >= 0 && offsetY < MAP_SIZE.y) { if (offsetX >= 0 && offsetX < MAP_SIZE.x && offsetY >= 0 && offsetY < MAP_SIZE.y) {
MapSquare tile = map[offsetY][offsetX]; MapSquare tile = map[offsetY][offsetX];
if (tile.wallN != NULL) { if (tile.wallN != NULL) {
utils::geom2d::line<float>wall{ {(float)offsetX,(float)offsetY},{(float)offsetX+1,(float)offsetY} }; utils::geom2d::line<float>wall{ {(float)offsetX,(float)offsetY},{(float)offsetX+1,(float)offsetY} };
if (((int)(newPos.pos.x-player.GetRadius())==offsetX|| if (((int)(newPos.pos.x-radius)==offsetX||
(int)(newPos.pos.x + player.GetRadius()) == offsetX) (int)(newPos.pos.x + radius) == offsetX)
&& &&
newPos.pos.y > wall.start.y && wall.start.y > newPos.pos.y - player.GetRadius()) { newPos.pos.y > wall.start.y && wall.start.y > newPos.pos.y - radius) {
collisionOccured = true; collisionOccured = true;
goto breakOutOfCollisionLoop; goto breakOutOfCollisionLoop;
} }
} }
if (tile.wallE != NULL) { if (tile.wallE != NULL) {
utils::geom2d::line<float>wall{ {(float)offsetX+1,(float)offsetY},{(float)offsetX + 1,(float)offsetY+1} }; utils::geom2d::line<float>wall{ {(float)offsetX+1,(float)offsetY},{(float)offsetX + 1,(float)offsetY+1} };
if (((int)(newPos.pos.y - player.GetRadius()) == offsetY || if (((int)(newPos.pos.y - radius) == offsetY ||
(int)(newPos.pos.y + player.GetRadius()) == offsetY) (int)(newPos.pos.y + radius) == offsetY)
&& newPos.pos.x<wall.start.x && wall.start.x < newPos.pos.x + player.GetRadius()) { && newPos.pos.x<wall.start.x && wall.start.x < newPos.pos.x + radius) {
collisionOccured = true; collisionOccured = true;
goto breakOutOfCollisionLoop; goto breakOutOfCollisionLoop;
} }
} }
if (tile.wallS != NULL) { if (tile.wallS != NULL) {
utils::geom2d::line<float>wall{ {(float)offsetX,(float)offsetY+1},{(float)offsetX + 1,(float)offsetY+1} }; utils::geom2d::line<float>wall{ {(float)offsetX,(float)offsetY+1},{(float)offsetX + 1,(float)offsetY+1} };
if (((int)(newPos.pos.x - player.GetRadius()) == offsetX || if (((int)(newPos.pos.x - radius) == offsetX ||
(int)(newPos.pos.x + player.GetRadius()) == offsetX) (int)(newPos.pos.x + radius) == offsetX)
&& newPos.pos.y < wall.start.y && wall.start.y < newPos.pos.y + player.GetRadius()) { && newPos.pos.y < wall.start.y && wall.start.y < newPos.pos.y + radius) {
collisionOccured = true; collisionOccured = true;
goto breakOutOfCollisionLoop; goto breakOutOfCollisionLoop;
} }
} }
if (tile.wallW != NULL) { if (tile.wallW != NULL) {
utils::geom2d::line<float>wall{ {(float)offsetX,(float)offsetY},{(float)offsetX,(float)offsetY + 1} }; utils::geom2d::line<float>wall{ {(float)offsetX,(float)offsetY},{(float)offsetX,(float)offsetY + 1} };
if (((int)(newPos.pos.y - player.GetRadius()) == offsetY || if (((int)(newPos.pos.y - radius) == offsetY ||
(int)(newPos.pos.y + player.GetRadius()) == offsetY) (int)(newPos.pos.y + radius) == offsetY)
&& newPos.pos.x > wall.start.x && wall.start.x > newPos.pos.x - player.GetRadius()) { && newPos.pos.x > wall.start.x && wall.start.x > newPos.pos.x - radius) {
collisionOccured = true; collisionOccured = true;
goto breakOutOfCollisionLoop; goto breakOutOfCollisionLoop;
} }
@ -520,6 +520,10 @@ void FaceBall::RenderWorld() {
triViewed.uv[1] = triTransformed.uv[1]; triViewed.uv[1] = triTransformed.uv[1];
triViewed.uv[2] = triTransformed.uv[2]; triViewed.uv[2] = triTransformed.uv[2];
triViewed.col = Pixel(triTransformed.col.r * dp * dp, triTransformed.col.g * dp * dp, triTransformed.col.b * dp * dp); triViewed.col = Pixel(triTransformed.col.r * dp * dp, triTransformed.col.g * dp * dp, triTransformed.col.b * dp * dp);
float dist = std::sqrtf(std::powf((freeRoam ? freeRoamCamera : player.GetPos()).x - tri.p[0].x, 2) + std::powf((freeRoam ? freeRoamCamera : player.GetPos()).y - tri.p[0].y, 2) + std::powf((freeRoam ? freeRoamCamera : player.GetPos()).z - tri.p[0].z, 2));
float colorMult = dist>5*PI/3?0:std::sinf(0.3 * dist + PI / 2);
triViewed.col = Pixel(triViewed.col.r * colorMult, triViewed.col.g * colorMult, triViewed.col.b * colorMult);
//triViewed.col = triTransformed.col;
int nClippedTriangles = 0; int nClippedTriangles = 0;
Triangle clipped[2]; Triangle clipped[2];
@ -670,11 +674,11 @@ void FaceBall::HandleKeys(float fElapsedTime) {
freeRoamCamera = Vector_Add(freeRoamCamera, vForward); freeRoamCamera = Vector_Add(freeRoamCamera, vForward);
} }
else { else {
if (!CheckCollision({ vForward.x,0,0 })) { if (!CheckCollision({ vForward.x,0,0 }, {player.GetPos().x,player.GetPos().z},player.GetRadius())) {
vec3d xMovement{ vForward.x,0,0 }; vec3d xMovement{ vForward.x,0,0 };
player.UpdatePos(Vector_Add(player.GetPos(), xMovement)); player.UpdatePos(Vector_Add(player.GetPos(), xMovement));
} }
if (!CheckCollision({ 0,0,vForward.z })) { if (!CheckCollision({ 0,0,vForward.z }, { player.GetPos().x,player.GetPos().z }, player.GetRadius())) {
vec3d zMovement{ 0,0,vForward.z }; vec3d zMovement{ 0,0,vForward.z };
player.UpdatePos(Vector_Add(player.GetPos(), zMovement)); player.UpdatePos(Vector_Add(player.GetPos(), zMovement));
} }
@ -686,11 +690,11 @@ void FaceBall::HandleKeys(float fElapsedTime) {
freeRoamCamera = Vector_Add(freeRoamCamera, vReverse); freeRoamCamera = Vector_Add(freeRoamCamera, vReverse);
} }
else { else {
if (!CheckCollision({ vReverse.x,0,0 })) { if (!CheckCollision({ vReverse.x,0,0 }, { player.GetPos().x,player.GetPos().z }, player.GetRadius())) {
vec3d xMovement{ vReverse.x,0,0 }; vec3d xMovement{ vReverse.x,0,0 };
player.UpdatePos(Vector_Add(player.GetPos(), xMovement)); player.UpdatePos(Vector_Add(player.GetPos(), xMovement));
} }
if (!CheckCollision({ 0,0,vReverse.z })) { if (!CheckCollision({ 0,0,vReverse.z }, { player.GetPos().x,player.GetPos().z }, player.GetRadius())) {
vec3d zMovement{ 0,0,vReverse.z }; vec3d zMovement{ 0,0,vReverse.z };
player.UpdatePos(Vector_Add(player.GetPos(), zMovement)); player.UpdatePos(Vector_Add(player.GetPos(), zMovement));
} }

2
Faceball2030/main.h
View File

@ -223,5 +223,5 @@ class FaceBall : public PixelGameEngine
void OnTextEntryComplete(const std::string& sText) override; void OnTextEntryComplete(const std::string& sText) override;
void InitializeEnemyData(); void InitializeEnemyData();
void LoadLevel(int level); void LoadLevel(int level);
bool CheckCollision(vec3d movementVector); bool CheckCollision(vec3d movementVector,vf2d pos,float radius);
}; };